Study Island



|Helena ordered 2 cookies for each of the 243 people who said they would attend an awards ceremony. Approximately how many cookies did Helena |

|order? |

| |

|Jasmine did 25 pushups in 55.4 seconds. Lenora did 25 pushups in 60.8 seconds. What is a good estimate of how many more seconds it took Lenora|

|to do her pushups than Jasmine? |

|Student tickets to the play cost $7.75, and adult tickets cost $12.25. The Williams family bought 3 adult tickets. What is a good estimate of |

|how much the Williams family spent on tickets? |

| |

|When the 4 movie ticket booths opened, the 61 people waiting in line were split into 4 lines. About how many people were in each line? |

|A grocery store received a shipment of bananas that contained 103 bunches. Each bunch of bananas had 5 bananas. Approximately how many bananas|

|did the grocery store receive? |

| |

|Eduardo’s dog eats 2.5 cups of dog food a day. What is a good estimate of how many cups of dog food his dog eats in one week? |

| |

|Allan had a 214-page book that he wanted to read in one week. What is a good estimate of how many pages Allen needs to read each night so that|

|he finishes the book? |

| |

|A dozen roses at Perfect Petal costs $15.79. On Friday, they sold 11 dozen. About how much money did they earn by selling the roses? |

| |

|Georgia is 48.2 inches tall. Her little brother Isaiah is 50.8 inches tall. What is a good estimate of how much taller Isaiah is than Georgia?|

| |

|Valeria has 4 balls of yarn. Each ball of yarn is 48 inches long. Approximately how many inches of yarn does Valeria have? |

| |

|Elizabeth ran the length of the playground in 1.35 minutes. Candice ran the length of the playground in 2.1 minutes. Olivia ran the length of |

|the playground in 1.9 minutes. What is a good estimate of the total time it took all three girls to run the length of the playground? |

| |

|At the furniture store, Patrick puts pads on the bottoms of all the chair legs. The furniture store received a shipment of 113 chairs. If each|

|chair had 4 legs, about how many pads did he need? |

|Mrs. Richards bought 2.3 pounds of apples and 1.71 pounds of oranges. What is a good estimate of how many pounds of fruit she bought in all? |

| |

|Selena bought 19 pictures frames to paint at an arts-and-crafts party. Each picture frame cost $2. Approximately how much money did the |

|pictures frames cost all together? |

|Cara drinks 8 glasses of water per day. Each glass contains 13.5 ounces of water. What is a good estimate of how many ounces she drinks in one|

|day? |

| |

|The movie theatre made $2,349 in tickets sales on Friday night. The theatre made $3,782 on Saturday night. Approximately how much more money |

|did the theatre make on Saturday night than Friday night? |

| |

|Mr. Parsons bought 518 colored pencils that were on sale. He placed an equal number of colored pencils in 5 different buckets to keep in his |

|4th grade classroom. About how many colored pencils were in each bucket? |

| |

|Brandon can jump 1.8 meters in the long jump. Jacob can jump 2.3 meters. What is a good estimate of the combined distance that the two boys |

|can jump? |

| |

Answer Key

|There were 243 people that said they were coming to an awards ceremony. Helena ordered 2 cookies per person at the ceremony. Approximately how|

|many cookies did Helena order? Answer: ≈ 400 cookies |

| |

|Jasmine did 25 pushups in 55.4 seconds. Lenora did 25 pushups in 60.8 seconds. What is a good estimate of how many more seconds it took Lenora|

|to do her pushups than Jasmine? Answer: ≈ 6 seconds |

|Student tickets to the play cost $7.75, and adult tickets cost $12.25. The Williams family bought 3 adult tickets. What is a good estimate of |

|how much the Williams family spent on tickets? Answer: ≈ $36 |

| |

|There were 61 people waiting for the movie ticket booths to open. When the 4 ticket booths opened, the people split up into 4 lines. About how|

|many people were in each line? Answer: ≈ 15 people |

|A grocery store received a shipment of bananas that contained 103 bunches. Each bunch of bananas had 5 bananas. Approximately how many bananas|

|did the grocery store receive? Answer: ≈ 500 bananas |

| |

|Eduardo’s dog eats 2.5 cups of dog food a day. What is a good estimate of how many cups of dog food his dog eats in one week? Answer: ≈ 21 |

|cups |

| |

|Allan had a 214-page book that he wanted to read in one week. What is a good estimate of how many pages Allen needs to read each night so that|

|he finishes the book? Answer: ≈ 30 pages |

| |

|A dozen roses at Perfect Petal costs $15.79. On Friday, they sold 11 dozen. About how much money did they earn by selling the roses? Answer: ≈|

|$160 |

|Georgia is 48.2 inches tall. Her little brother Isaiah is 50.8 inches tall. What is a good estimate of how much taller Isaiah is than Georgia?|

|Answer: ≈ 3 inches |

| |

|Valeria has 4 balls of yarn. Each ball of yarn is 48 inches long. Approximately how many inches of yarn does Valeria have in all? Answer: ≈ |

|200 inches |

|Elizabeth ran the length of the playground in 1.35 minutes. Candice ran the length of the playground in 2.1 minutes. Olivia ran the length of |

|the playground in 1.9 minutes. What is a good estimate of the total time it took all three girls to run the length of the playground? Answer: |

|≈ 5 minutes |

| |

|Patrick’s job at the furniture store included putting pads on the bottoms of all the chair legs. The furniture store received a shipment of |

|113 chairs. If each chair had 4 legs, about how many pads did he need? Answer: ≈ 400 pads |

| |

|Mrs. Richards bought 2.3 pounds of apples and 1.71 pounds of oranges. What is a good estimate of how many pounds of fruit she bought in all? |

|Answer: ≈ 4 pounds |

| |

|Selena bought 19 pictures frames to paint at an arts-and-crafts party. Each picture frame cost $2. Approximately how much money did the |

|pictures frames cost all together? Answer: ≈ $40 |

|Cara drinks 8 glasses of water per day. Each glass contains 13.5 ounces of water. What is a good estimate of how many ounces she drinks in one|

|day? Answer: ≈ 112 ounces |

| |

|The movie theatre made $2,349 in tickets sales on Friday night. The theatre made $3,782 on Saturday night. Approximately how much more money |

|did the theatre make on Saturday night than Friday night? Answer: ≈ $2,000 |

|Mr. Parsons bought 518 colored pencils that were on sale. He placed an equal number of colored pencils in 5 different buckets to keep in his |

|4th grade classroom. About how many colored pencils were in each bucket? Answer: ≈ 100 pencils |

| |

|Brandon can jump 1.8 meters in the long jump. Jacob can jump 2.3 meters. What is a good estimate of the combined distance that the two boys |

|can jump? Answer: ≈ 4 meters |

| |

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