A



A. Solve the problems. | |

|1. |Solve the problem. |

| | |

| |Each piece of cookie costs 4 dollars. Lily had 80 dollars initially. How many pieces of cookies can she buy after spending 24 |

| |dollars? |

| |(80 – 24) ÷ 4 |

| |= 56 ÷ 4 |

| |= 14 |

| |She can buy 14 pieces of cookies. |

|2. |Solve the problem. |

| | |

| |Bill bought 4 buns with 20 dollars. Tom bought a chocolate muffin with 4 dollars. How much does a bun cost more than a chocolate |

| |muffin? |

| |20 ÷ 4 – 4 |

| |= 5 – 4 |

| |= 1 |

| |A bun costs 1 dollar more than a |

| |chocolate muffin. |

|3. |Solve the problem. |

| | |

| |There are 480 boxes of apples and 360 boxes of pears in a fruit store. Some workers took 4 times to transport all the boxes to |

| |wholesalers. How many boxes were transported each time on average? |

| |(480 + 360) ÷ 4 |

| |= 840 ÷ 4 |

| |= 210 |

| |210 boxes were transported each |

| |time on average. |

|4. |Solve the problem. |

| | |

| |Tom had 22 goldfish initially. He bought 11 more goldfish. Then he put all the fish into 3 tanks. How many goldfish are there in |

| |each tank on average? |

| |(22 + 11) ÷ 3 |

| |= 33 ÷ 3 |

| |= 11 |

| |There are 11 goldfish in each tank |

| |on average. |

|5. |Solve the problem. |

| | |

| |Half dozen of crystal glasses cost 252 dollars. A platinum plate costs 28 dollars. Mum bought a crystal glass and a platinum |

| |plate. How much should she pay altogether? |

| |252 ÷ 6 + 28 |

| |= 42 + 28 |

| |= 70 |

| |She should pay 70 dollars |

| |altogether. |

|6. |Solve the problem. |

| | |

| |Mary bought a bag at 196 dollars and 3 pairs of socks. She spent 250 dollars altogether. How much does each pair of socks cost on|

| |average? |

| |(250 – 196) ÷ 3 |

| |= 54 ÷ 3 |

| |= 18 |

| |Each pair of socks costs 18 dollars |

| |on average. |

|7. |Solve the problem. |

| | |

| |Peanut oil is on sale. Each bottle is now 7 dollars cheaper. Mrs. Wong bought 2 bottles of peanut oil with 68 dollars. How much |

| |did a bottle of peanut oil cost initially? |

| |68 ÷ 2 + 7 |

| |= 34 + 7 |

| |= 41 |

| |A bottle of peanut oil costed |

| |41 dollars initially. |

|8. |Solve the problem. |

| | |

| |48 students joined the bridge club. Later, 12 students left the club. The teacher divided the remaining students into 6 groups |

| |equally. How many students are there in each group now? |

| |(48 – 12) ÷ 6 |

| |= 36 ÷ 6 |

| |= 6 |

| |There are 6 students in each group |

| |now. |

|9. |Solve the problem. |

| | |

| |3 watermelons cost 78 dollars. Mrs. Chan bought a watermelon and she still has 125 dollars left. How much did she have initially?|

| |125 + 78 ÷ 3 |

| |= 125 + 26 |

| |= 151 |

| |She had 151 dollars initially. |

|10. |Solve the problem. |

| | |

| |4 bags of tea weigh 500 grams. A bag of cocoa beans leaves weighs 25 grams more than a bag of tea. How many grams does a bag of |

| |cocoa beans weigh? |

| |500 ÷ 4 + 25 |

| |= 125 + 25 |

| |= 150 |

| |A bag of cocoa beans weighs |

| |150 grams. |

| | |

|11. |Solve the problem. |

| | |

| |There are 5 white rabbits and 4 grey rabbits in a cage. The manager divided 72 carrots equally among the rabbits. How many |

| |carrots can each rabbit get? |

| |72 ÷ (5 + 4) |

| |= 72 ÷ 9 |

| |= 8 |

| |Each rabbit can get 8 carrots. |

|12. |Solve the problem. |

| | |

| |There were 130 boxes of cargoes. After sending 25 boxes away, it took 5 times to transport the remaining boxes. How many boxes of|

| |cargoes were transported each time on average? |

| |(130 – 25) ÷ 5 |

| |= 105 ÷ 5 |

| |= 21 |

| |21 boxes of cargoes were transported |

| |each time on average. |

|13. |Solve the problem. |

| | |

| |There are 150 students. 69 of them are girls. The teacher divided the boys into 9 groups equally. How many boys are there in each|

| |group? |

| |(150 – 69) ÷ 9 |

| |= 81 ÷ 9 |

| |= 9 |

| |There are 9 boys in each group. |

|14. |Solve the problem. |

| | |

| |A teacher prepared 108 balloons to decorate 6 classrooms equally. 3 of the balloons burst in a classroom. How many balloons are |

| |left in the classroom? |

| |108 ÷ 6 – 3 |

| |= 18 – 3 |

| |= 15 |

| |15 balloons are left in the classroom. |

|15. |Solve the problem. |

| | |

| |16 pencils cost 48 dollars. How much do 14 pencils cost? |

| |48 ÷ 16 × 14 |

| |= 3 × 14 |

| |= 14 × 3 |

| |= 42 |

| |They cost 42 dollars. |

|16. |Solve the problem. |

| | |

| |800 grams of sugar are divided into small packs of 25 grams each. If each pack costs 50 cents, how much do they cost altogether? |

| |50 × (800 ÷ 25) |

| |= 50 × 32 |

| |= 32 × 50 |

| |= 1600 |

| |They cost 16 dollars altogether. |

|17. |Solve the problem. |

| | |

| |There are 30 boxes of chocolates. Each box contains 28 pieces. If each box is now changed to contain 40 pieces, how many boxes |

| |are there? |

| |28 × 30 ÷ 40 |

| |= 840 ÷ 40 |

| |= 21 |

| |There are 21 boxes of chocolates now. |

|18. |Solve the problem. |

| | |

| |8 bottles contain 4000 mL of juice. How many litres of juice are there in 16 bottles altogether? |

| |4000 ÷ 8 × 16 |

| |= 500 × 16 |

| |= 8000 |

| |There are 8 litres of juice altogether. |

|19. |Solve the problem. |

| | |

| |A ruler costs 6 dollars. A ball pen costs 8 dollars. How many rulers can be bought with the money to buy 12 ball pens? |

| |8 × 12 ÷ 6 |

| |= 12 × 8 ÷ 6 |

| |= 96 ÷ 6 |

| |= 16 |

| |16 rulers can be bought. |

|20. |Solve the problem. |

| | |

| |8 pineapple buns cost 16 dollars. 3 beef buns cost 18 dollars. How much cheaper is a pineapple bun than a beef bun? |

| |18 ÷ 3 – 16 ÷ 8 |

| |= 6 – 2 |

| |= 4 |

| |A pineapple bun is 4 dollars cheaper than a beef bun. |

|21. |Solve the problem. |

| | |

| |Ben bought some biscuits with 16 dollars and 3 bottles of milk which cost 8 dollars each. Ben paid 100 dollars. How much change |

| |should he get? |

| |100 – (16 + 8 × 3) |

| |= 100 – (16 + 24) |

| |= 100 – 40 |

| |= 60 |

| |He should get 60 dollars change. |

|22. |Solve the problem. |

| | |

| |Some boxes of pineapples and grapes are transported to the market. There are 125 boxes of pineapples which weigh 62 kg each and |

| |102 boxes of grapes which weigh 12 kg each. How many kilograms of fruits are transported altogether? |

| |62 × 125 + 12 × 102 |

| |= 7750 + 1224 |

| |= 8974 |

| |8974 kg of fruits are transported altogether. |

|23. |Solve the problem. |

| | |

| |A large amount of frozen meat were stored in a cold storage. 280 kilograms of frozen meat were withdrawn in the morning. 2 boxes |

| |of frozen meat were withdrawn in the afternoon. Each of the boxes weighs 148 kilograms. Then, 316 kilograms of frozen meat are |

| |left in the cold storage. How many kilograms of frozen meat were stored in the cold storage initially? |

| |280 + 148 × 2 + 316 |

| |= 280 + 296 + 316 |

| |= 892 |

| |892 kilograms of frozen meat were stored in the |

| |cold storage initially. |

|24. |Solve the problem. |

| | |

| |There are 8 portions of red beads with 38 beads each. There are also 5 portions of green beads with 24 beads each. What is the |

| |difference between the number of red beads and green beads? |

| |38 × 8 – 24 × 5 |

| |= 304 – 120 |

| |= 184 |

| |There is a difference of 184 beads. |

|25. |Solve the problem. |

| | |

| |72 milk sweets are packed in 6 packs. 40 coconut sweets are packed in 4 packs. How many more sweets in a pack of milk sweets than|

| |a pack of coconut sweets? |

| |72 ÷ 6 – 40 ÷ 4 |

| |= 12 – 10 |

| |= 2 |

| |There are 2 more sweets in a pack |

| |of milk sweets than a pack of |

| |coconut sweets. |

|26. |Solve the problem. |

| | |

| |In a marching band, there are 8 rows of boys with each row containing 12 boys. There are 70 girls who form into 7 rows. During a |

| |practice, all boys and one row of girls have to take part. How many children are there in the practice? |

| |12 × 8 + 70 ÷ 7 |

| |= 96 + 10 |

| |= 106 |

| |There are 106 children in the practice. |

|27. |Solve the problem. |

| | |

| |A red rose costs 5 dollars. A dozen of pink roses cost 144 dollars. How much do 8 pink roses and half a dozen of red roses cost |

| |altogether? |

| |144 ÷ 12 × 8 ++ 5 × 6 |

| |= 12 × 8 ++ 30 |

| |= 96 + 30 |

| |= 126 |

| |They cost 126 dollars altogether. |

|28. |Solve the problem. |

| | |

| |A bundle of lilies costs 78 dollars. The cost of 6 bundles of roses is equal to the total cost of 4 bundles of lilies. What is |

| |the difference of the cost of 3 bundles of lilies and 3 bundles of roses? |

| |(78 – 78 × 4 ÷ 6) × 3 |

| |= (78 – 312 ÷ 6) × 3 |

| |= (78 – 52) × 3 |

| |= 26 × 3 |

| |= 78 |

| |The difference of the costs is 78 dollars. |

|29. |Solve the problem. |

| | |

| |Dorothy has 36 marbles. The number of her marbles is 4 times that of Katie’s. Now Dorothy gives 5 marbles to Katie. How many |

| |marbles does Katie have now? |

| |36 ÷ 4 + 5 |

| |= 9 + 5 |

| |= 14 |

| |Katie has 14 marbles. |

|30. |Solve the problem. |

| | |

| |A toothbrush costs 13 dollars. 6 towels cost 48 dollars. How much does a toothbrush and a towel cost altogether? |

| |13 + 48 ÷ 6 |

| |= 13 + 8 |

| |= 21 |

| |They cost 21 dollars altogether. |

|31. |Solve the problem. |

| | |

| |Mary has 27 coins. Lily has 39 coins. They group the coins together and divide equally to each person, how many coins can each |

| |person get? |

| |(27 + 39) ÷ 2 |

| |= 66 ÷ 2 |

| |= 33 |

| |Each person can get 33 coins. |

|32. |Solve the problem. |

| | |

| |May has 3 bottles. Jessie has 2 bottles. 15 fish are equally put into all these bottles. How many fish are there in each bottle? |

| |15 ÷ (3 + 2) |

| |= 15 ÷ 5 |

| |= 3 |

| |There are 3 fish in each bottle. |

|33. |Solve the problem. |

| | |

| |A bottle containing 625 mL of orange juice is poured into 5 glasses equally. A glass of apple juice contains 100 mL. How many |

| |millilitres does a glass of orange juice contain more than a glass of apple juice? |

| |625 ÷ 5 – 100 |

| |= 125 – 100 |

| |= 25 |

| |A glass of orange juice contains |

| |25 millilitres more than a glass of |

| |apple juice. |

|34. |Solve the problem. |

| | |

| |A box of cookies contains 42 pieces. It is 3 more pieces than a box of crackers. A box of crackers is now equally shared among 3 |

| |people. How many pieces can each person get? |

| |(42 – 3) ÷ 3 |

| |= 39 ÷ 3 |

| |= 13 |

| |Each person can get 13 pieces. |

|35. |Solve the problem. |

| | |

| |A photo album costed 38 dollars initially. It is now 6 dollars cheaper. Daddy has 96 dollars. How many photo albums can he buy? |

| |96 ÷ (38 – 6) |

| |= 96 ÷ 32 |

| |= 3 |

| |He can buy 3 photo albums. |

|36. |Solve the problem. |

| | |

| |3 bottles of peanut oil cost 57 dollars. Mother paid 100 dollars for a bottle. How much change should she get? |

| |100 – 57 ÷ 3 |

| |= 100 – 19 |

| |= 81 |

| |She should get 81 dollars change. |

|37. |Solve the problem. |

| | |

| |A music CD costs 84 dollars. 3 people buy 4 CDs and share the cost. How much should each person pay on average? |

| |84 × 4 ÷ 3 |

| |= 336 ÷ 3 |

| |= 112 |

| |Each person should pay 112 dollars |

| |on average. |

|38. |Solve the problem. |

| | |

| |There are 15 bags of marbles. Each bag contains 8 marbles. If each bag contains 6 marbles, how many bags are needed? |

| |8 × 15 ÷ 6 |

| |= 15 × 8 ÷ 6 |

| |= 120 ÷ 6 |

| |= 20 |

| |20 bags are needed. |

|39. |Solve the problem. |

| | |

| |4 plates cost 56 dollars. How much do 7 plates cost? |

| |56 ÷ 4 × 7 |

| |= 14 × 7 |

| |= 98 |

| |They cost 98 dollars. |

|40. |Solve the problem. |

| | |

| |72 lemons are divided equally into 6 portions. How many lemons are there in 4 portions? |

| |72 ÷ 6 × 4 |

| |= 12 × 4 |

| |= 48 |

| |There are 48 lemons. |

|41. |Solve the problem. |

| | |

| |5 tins of sardines cost 25 dollars. A pack of instant noodles costs 3 dollars. What is the total cost of 2 tins of sardines and 2|

| |packs of instant noodles? |

| |(25 ÷ 5 + 3) × 2 |

| |= (5 + 3) × 2 |

| |= 8 × 2 |

| |= 16 |

| |The total cost is 16 dollars. |

|42. |Solve the problem. |

| | |

| |There are 7 bags of apples and each bag contains 8 apples. 2 apples are rotten and they are thrown away. The shopkeeper divided |

| |the rest of the apples equally into 6 bags. How many apples are there in each bag now? |

| |(8 × 7 – 2) ÷ 6 |

| |= (56 – 2) ÷ 6 |

| |= 54 ÷ 6 |

| |= 9 |

| |There are 9 apples in each bag now. |

|43. |Solve the problem. |

| | |

| |John had 5 pencils initially. Mother bought 12 more pencils and divided them equally between John and Tom. The number of Tom’s |

| |pencils now is 2 times that of John’s. How many pencils does Tom have now? |

| |(5 + 12 ÷ 2) × 2 |

| |= (5 + 6) × 2 |

| |= 11 × 2 |

| |= 22 |

| |Tom has 22 pencils now. |

|44. |Solve the problem. |

| | |

| |An orange costs 3 dollars. A dozen of apples cost 24 dollars. What is the total cost of an orange and an apple? |

| |　3　 + 　24　 ÷ 　12　. |

| |= 　3　 + 　2　. |

| |= 　5　. |

| |The total cost is 　5　 dollars. |

|45. |Solve the problem. |

| | |

| |10 cans contain 80 juicy candies. Michael has a can of juicy candies and 5 milky candies. How many candies does he have |

| |altogether? |

| |80 ÷ 10 + 5 |

| |= 8 + 5 |

| |= 13 |

| |He has 13 candies altogether. |

|46. |Solve the problem. |

| | |

| |A cat weighs 6 kg. Its weight is 3 times that of a rabbit. How many kilograms do these two animals weigh altogether? |

| |6 + 6 ÷ 3 |

| |= 6 + 2 |

| |= 8 |

| |These two animals weigh 8 kg |

| |altogether. |

|47. |Solve the problem. |

| | |

| |8 ball pens can be packed in a box. 4 more pencils than ball pens can be packed in the same box. How many boxes are needed to |

| |pack 96 pencils? |

| |96 ÷ (8 + 4) |

| |= 96 ÷ 12 |

| |= 8 |

| |8 boxes are needed to pack |

| |96 pencils. |

|48. |Solve the problem. |

| | |

| |2 table tennis balls cost 4 dollars. 2 shuttlecocks cost 6 dollars. How much do a table tennis ball and a shuttlecock cost? |

| |4 ÷ 2 + 6 ÷ 2 |

| |= 2 + 3 |

| |= 5 |

| |They cost 5 dollars. |

|49. |Solve the problem. |

| | |

| |There are 144 pairs of ear rings in a shop. They are packed into 12 pairs each. How many packs of ear rings are left after |

| |selling 5 packs? |

| |　144　 ÷ 　12　 – 　5　. |

| |= 　12　 – 　5　. |

| |= 　7　. |

| |　7　 packs of ear rings are left. |

|50. |Solve the problem. |

| | |

| |6 boxes of soya milk cost 18 dollars. 1 box of fruit juice costs 5 dollars. How much does a box of fruit juice cost more than a |

| |box of soya milk? |

| |5 – 18 ÷ 6 |

| |= 5 – 3 |

| |= 2 |

| |A box of fruit juice cost 2 dollars |

| |more than a box of soya milk. |

|51. |Solve the problem. |

| | |

| |An eraser costs 3 dollars. Now there is a special price of buying 5 erasers for just 10 dollars. What is the discount for each |

| |eraser? |

| |3 – 10 ÷ 5 |

| |= 3 – 2 |

| |= 1 |

| |There is a discount of 1 dollar for |

| |each eraser. |

|52. |Solve the problem. |

| | |

| |A toy plane costs 25 dollars. A toy car is 10 dollars cheaper than a toy plane. Ray has 75 dollars. How many toy cars can he buy?|

| |75 ÷ (25 – 10) |

| |= 75 ÷ 15 |

| |= 5 |

| |He can buy 5 toy cars. |

|53. |Solve the problem. |

| | |

| |There are 24 strawberries. Diana ate 4 strawberries and she divided the rest of the strawberries equally into 4 portions. How |

| |many strawberries are there in each portion? |

| |(24 – 4) ÷ 4 |

| |= 20 ÷ 4 |

| |= 5 |

| |There are 5 strawberries in each portion. |

|54. |Complete the following by referring to what these people say. |

| |“My age is 6 times that of Kelvin’s,” grandfather said. |

| |“My age is 9 times that of Tom’s,” mother said. |

| |“The age of grandfather is 4 times that of mine,” Betty said. |

| |“I am 12 years old,” Kelvin said. |

| |“Kelvin’s age is 3 times that of mine,” Tom said. |

| | |

| |(a) How old is Betty? |

| |　12　 × 　6　 ÷ 　4　. |

| |= 　72　 ÷ 　4　. |

| |= 　18　. |

| |Betty is 　18　 years old. |

| |(b) How old is mother? |

| |12 ÷ 3 × 9 |

| |= 4 × 9 |

| |= 36 |

| |Mother is 36 years old. |

|55. |Solve the problem. |

| | |

| |3 dozens of cakes are divided equally into 6 portions. How many pieces of cake are there in each portion? |

| |12 × 3 ÷ 6 |

| |= 36 ÷ 6 |

| |= 6 |

| |There are 6 pieces of cake in each |

| |portion. |

|56. |Solve the problem. |

| | |

| |Each box contains 20 tea bags. 5 boxes of tea bags are re-packed into individual packs. Each pack contains 4 tea bags. How many |

| |packs of tea bags are there? |

| |20 × 5 ÷ 4 |

| |= 100 ÷ 4 |

| |= 25 |

| |There are 25 packs of tea bags. |

|57. |Solve the problem. |

| | |

| |10 kilograms of rice cost 80 dollars. How much do 3 kilograms of rice cost? |

| |80 ÷ 10 × 3 |

| |= 8 × 3 |

| |= 24 |

| |3 kilograms of rice cost 24 dollars. |

|58. |Solve the problem. |

| | |

| |A shopkeeper in a stationery shop packed 450 drawing pins equally into 18 boxes. 5 boxes of drawing pins were sold. How many |

| |drawing pins were sold? |

| |450 ÷ 18 × 5 |

| |= 25 × 5 |

| |= 125 |

| |125 drawing pins were sold. |

|59. |Solve the problem. |

| | |

| |A lollipop costs 6 dollars. A dozen of chewing gums cost 24 dollars. What is the total cost of 5 lollipops and a chewing gum? |

| |　6　 × 　5　 + 　24　 ÷ 　12　. |

| |= 　30　 + 　2　. |

| |= 　32　. |

| |The total cost is 　32　 dollars. |

|60. |Solve the problem. |

| | |

| |A box of cookies contains 12 pieces. A box of crackers contains 10 pieces. 4 people share a box of cookies and 2 boxes of |

| |crackers equally. How many pieces can each person get? |

| |(12 + 10 × 2) ÷ 4 |

| |= (12 + 20) ÷ 4 |

| |= 32 ÷ 4 |

| |= 8 |

| |Each person can get 8 pieces. |

|61. |Solve the problem. |

| | |

| |A ruler costs 5 dollars each. A pencil is 3 dollars cheaper than a ruler. Mary paid 20 dollars to buy 7 pencils. How much change |

| |should she get? |

| |20 – (5 – 3) × 7 |

| |= 20 – 2 × 7 |

| |= 20 – 14 |

| |= 6 |

| |She should get 6 dollars change. |

|62. |Solve the problem. |

| | |

| |A bag of red beans weighs 5 kg. 6 bags of green beans weigh 12 kg. How many kilograms do a bag of red beans and 4 bags of green |

| |beans weigh altogether? |

| |5 + 12 ÷ 6 × 4 |

| |= 5 + 2 × 4 |

| |= 5 + 8 |

| |= 13 |

| |They weigh 13 kg altogether. |

|63. |Solve the problem. |

| | |

| |There are 3 boxes. Each box contains 40 glasses. 12 glasses are broken and the rest of them are equally packed into 18 small |

| |boxes. How many glasses are there in each small box? |

| |(40 × 3 – 12) ÷ 18 |

| |= (120 – 12) ÷ 18 |

| |= 108 ÷ 18 |

| |= 6 |

| |There are 6 glasses in each small |

| |box. |

|64. |Solve the problem. |

| | |

| |[pic]. |

| |How much do an orange and an apple cost altogether? |

| |　12　 [pic] 　4　 [pic] 　6　. |

| |= 　9　. |

| |They cost 　9　 dollars altogether. |

|65. |Solve the problem. |

| | |

| |[pic] |

| |How much do a kilogram of grapes and a banana cost altogether? |

| |32 + 24 ÷ 4 |

| |= 　38　. |

| |They cost 　38　 dollars altogether. |

|66. |Solve the problem. |

| | |

| |[pic] |

| |How much do half of a kilogram of a watermelon and a kilogram of lychees cost altogether? |

| |12 ÷ 2 + 36 |

| |= 　42　. |

| |They cost 　42　 dollars altogether. |

|67. |Solve the problem. |

| | |

| |[pic] |

| |How much do a carton of orange juice and a tin of coke cost altogether? |

| |10 + 32 ÷ 8 |

| |= 　14　. |

| |They cost 　14　 dollars altogether. |

|68. |Solve the problem. |

| | |

| |[pic] |

| |How much do a pack of potato chips and a box of biscuits cost altogether? |

| |15 ÷ 3 + 12 |

| |= 　17　. |

| |They cost 　17　 dollars altogether. |

|69. |Solve the problem. |

| | |

| |[pic] |

| |How much do a bottle of milk and a carton of milk cost altogether? |

| |6 + 30 ÷ 6 |

| |= 　11　. |

| |They cost 　11　 dollars altogether. |

|70. |Solve the problem. |

| | |

| |[pic] |

| |In a mega sale, how much cheaper is each pair of socks? |

| |　12　 [pic] 　45　 [pic] 　5　. |

| |= 　3　. |

| |Each pair of socks is 　3　 dollars cheaper. |

|71. |Solve the problem. |

| | |

| |[pic] |

| |In a mega sale, how much cheaper is each shirt? |

| |98 ÷ 2 – 36 |

| |= 　13　. |

| |Each shirt is 　13　 dollars cheaper. |

|72. |Solve the problem. |

| | |

| |[pic] |

| |In a mega sale, how much cheaper is each can of coke? |

| |36 ( 6 – 4 |

| |= 　2　. |

| |Each can of coke is 　2　 dollars cheaper. |

|73. |Solve the problem. |

| | |

| |[pic] |

| |In a mega sale, how much cheaper is half of a kilogram of beef? |

| |48 ÷ 2 – 22 |

| |= 　2　. |

| |Half of a kilogram of beef is |

| |　2　 dollars cheaper. |

|74. |Solve the problem. |

| | |

| |[pic] |

| |In a mega sale, how much cheaper is each duck egg? |

| |3 – 12 ÷ 6 |

| |= 　1　. |

| |Each duck egg is 　1　 dollar(s) cheaper. |

|75. |Solve the problem. |

| | |

| |[pic] |

| |In a mega sale, how much cheaper is each roll of film? |

| |24 – 216 ÷ 12 |

| |= 　6　. |

| |Each roll of film is 　6　 dollar(s) cheaper. |

|76. |Solve the problem. |

| | |

| |A table costs 500 dollars. 4 chairs cost 932 dollars. How much more expensive is a table than a chair? |

| |500 – 932 ÷ 4 |

| |= 500 – 233 |

| |= 267 |

| |A table is 　267　 dollars more |

| |expensive than a chair. |

|77. |Solve the problem. |

| | |

| |A big vase costs 138 dollars. A small vase costs 56 dollars. Mr. Chan bought a big vase and 2 small vases. How much change should|

| |he get if he pays 300 dollars? |

| |300 – (138 + 56 × 2) |

| |= 300 – (138 + 112) |

| |= 300 – 250 |

| |= 50 |

| |He should get 　50　 dollars change. |

| |Accept any reasonable calculation |

- End of Paper -

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5

4

–഍റ㈍ര㐍഍വ㈍ര഍䌍汯浵潦浲൳㐍〸഍㘳ര⬍഍㐸ര㠍〴഍ഴ㈍〱഍〸ര㐍ര㐍ര䌍汯浵潦浲൳㈍ലㄍറ⬍഍㌳഍㌳഍ളㄍറ㌍ര㌍഍ള഍䌍汯浵潦浲൳㐍ല㈍സ⬍഍〷഍㔲ല㘍഍㈴഍㐲രㄍലㄍല䌍汯浵潦浲൳㈍〵഍㤱ശ阍഍㐵഍㐵഍ളㄍസ㌍ര㈍ഴ㈍ഴ䌍汯浵潦浲൳㌍ഴ㜍഍ഫ㐍റ㘍സ㈍഍㐳഍〶഍സ㠍഍഍潃畬湭映牯獭഍㠴഍㈱഍ඖ㌍ശ㌍ശ㘍഍ശ㌍ശ䌍汯浵潦浲൳ㄍ㔲഍㘲഍ഫㄍㄵ഍㠷

1

20

4

5

20

Column forms

480

360

+

840

840

4

210

800

40

40

Column forms

22

11

+

33

33

3

11

30

3

3

Column forms

42

28

+

70

252

6

42

240

12

12

Column forms

250

196

–

54

54

3

18

30

24

24

Column forms

34

7

+

41

68

2

34

60

8

8

Column forms

48

12

–

36

36

6

6

36

Column forms

125

26

+

151

78

3

26

60

18

18

Column forms

125

25

+

150

500

4

125

400

100

80

20

20

Column forms

5

4

+

9

72

9

8

72

Column forms

130

25

–

105

105

5

21

100

5

5

Column forms

150

69

–

81

81

9

9

81

Column forms

18

3

–

15

108

6

18

60

48

48

Column forms

14

3

×

42

48

16

3

48

Column forms

800

25

32

750

50

50

32

50

×

1600

Column forms

840

40

21

800

40

40

28

30

×

840

Column forms

4000

8

500

4000

500

16

×

5000

3000

8000

Column forms

96

6

16

60

36

36

12

8

×

96

Column forms

9

5

+

14

36

4

9

36

Column forms

13

8

+

21

48

6

8

48

Column forms

27

39

+

66

66

2

33

60

6

6

Column forms

3

2

+

5

15

5

3

15

Column forms

125

100

–

25

625

5

125

500

120

100

25

25

Column forms

42

3

–

39

39

3

13

30

9

9

Column forms

38

6

–

32

96

32

3

96

Column forms

100

19

–

81

57

3

19

30

27

27

Column forms

84

4

×

336

336

3

112

300

30

30

6

6

Column forms

15

8

×

120

120

6

20

120

Column forms

14

7

×

98

56

4

14

40

16

16

Column forms

12

4

×

48

72

6

12

60

12

12

Column forms

3

2

+

5

24

12

2

24

Column forms

8

5

+

13

80

10

8

80

Column forms

6

2

+

8

6

3

2

6

Column forms

8

4

+

12

96

12

8

96

Column forms

12

5

–

7

144

12

12

120

24

24

Column forms

5

3

–

2

18

6

3

18

Column forms

3

2

–

1

10

5

2

10

Column forms

25

10

–

15

75

15

5

75

Column forms

24

4

–

20

20

4

5

20

Column forms

12

3

×

36

36

6

6

36

Column forms

20

5

×

100

100

4

25

80

20

20

Column forms

8

3

×

24

80

10

8

80

Column forms

25

5

×

125

450

18

25

360

90

90

$ 12 for 4

$ 6 each

Column forms

3

6

+

9

12

4

3

12

÷

+

$ 32 / kg

$ 24 for 4

Column forms

32

6

+

38

24

4

6

24

$ 12 / kg

$ 36 / kg

Column forms

6

36

+

42

12

2

6

12

$ 10

$ 32 for 8

Column forms

10

4

+

14

32

8

4

32

$ 12

$ 15 for 3

Column forms

5

12

+

17

15

3

5

15

$ 6

$ 30 for 6

Column forms

6

5

+

11

30

6

5

30

$ 12 each

$ 45 for 5

Column forms

12

9

–

3

45

5

9

45

–

÷

$ 98 for 2

$ 36 each

Column forms

49

36

–

13

98

2

49

80

18

18

$ 36 for 6

$ 4 each

Column forms

6

4

–

2

36

6

6

36

$ 48 / kg

$ 22 for half of a kilogram

Column forms

24

22

–

2

48

2

24

40

8

8

$ 3 each

$ 12 for 6

Column forms

3

2

–

1

12

6

2

12

$ 24 each

$ 216 for a dozen

Column forms

24

18

–

6

216

12

18

120

96

96

Column forms

500

233

–

267

932

4

233

800

130

120

12

12

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