Subtract mentally or with a paper-and-pencil algorithm. 1. Add mentally ...
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Chapter 2 Study Guide
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Enter the appropriate word(s) to complete the statement. 1. Subtract mentally or with a paper-and-pencil algorithm.
Date:
2. Add mentally or with a paper-and-pencil algorithm. 3. Add mentally or with a paper-and-pencil algorithm.
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Enter the appropriate value to answer the question or solve the problem. 4. 7KHVWXGHQWVLQ.DPLODK?VFODVVDUHVHOOLQJUROOVRIZUDSSLQJSDSHUWRUDLVHPRQH\IRUWKHLU school.
What is the minimum number of rolls sold by any student? ________
Number of Rolls Sold
13 14 15 16 17 18 19 20 21
Number of Students
5. Subtract mentally or with a paper-and-pencil algorithm.
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6. 7KHVWXGHQWVLQ$VKOH\?VFODVVDUHVHOOLQJUROOVRIZUDSSLQJSDSHUWRUDLVHPRQH\IRUWKHLU school.
What is the mode (most frequent number) of rolls sold? ________
Number of Rolls Sold
28 29 30 31 32 33 34 35 36
Number of Students
7. 7KHVWXGHQWVLQ7\URQH?VFODVVDUHVHOOLQJUROOVRIZUDSSLQJSDSHUWRUDLVHPRQH\IRUWKHLU school.
What is the range of the number of rolls sold? ________
Number of Rolls Sold
12 13 14 15 16 17 18 19 20
Number of Students
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8. How many students chose corn as their favorite?
Favorite
Vegetable
Number of Students
broccoli
carrots
peas
spinach
corn
________ students
9. Subtract mentally or with a paper-and-pencil algorithm.
Date:
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10. Use pencil and paper to answer the question.
7KHVWXGHQWVLQ$QWRQLR?VFODVVDUHVHOOLQJUROOVRIZUDSSLQJSDSHUWRUDLVHPRQH\IRUWKHLU VFKRRO8VH$QWRQLR?VFKDUWWRFUHDWHDEDUJUDSKRIWKHGDWD
Number of Rolls Sold
14 15 16 17 18 19 20 21
Number of Students
Rolls of Wrapping Paper Sold
22
11. Use pencil and paper to answer the question. Measure the line segments to the nearest centimeter.
a. About ________ cm
b. About ________ cm
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12. Use pencil and paper to answer the question.
Shenequa wanted to show the number 54 on her calculator. The 4-key on her calculator was
broken, so this is what she did:
5 9 9
54
Show two other ways to show 54 without using the 4-key. Try to use different numbers and
operations. a. __________________
b. __________________
13. Use pencil and paper to answer the question. Draw a line segment 9.5 centimeters long.
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14. Use pencil and paper to answer the question.
The students in Jeffrey's class are selling rolls of wrapping paper to raise money for their school. Use Jeffrey's chart to answer the following questions:
Number of Rolls Sold
22 23 24 25 26 27 28 29 30
Number of Students
a. How many students sold 29 rolls of wrapping paper? ________ students
b. What is the maximum number of rolls sold by any student? ________
c. What is the range of the number of rolls sold? ________
d. What is the mode (most frequent number) of rolls sold? ________
e. What is the median (or typical number) of rolls sold by the students? ________
f. Explain how you found the median.
________________________________________________________________
________________________________________________________________
________________________________________________________________
________________________________________________________________
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15. Use pencil and paper to answer the question.
a. Draw a polygon with at least two right angles. Mark the right angles with a square corner symbol.
b. Is the polygon you drew a parallelogram? ________ c. Explain. ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ ________________________________________________________________
16. Use pencil and paper to answer the question. Use your ruler to measure the line segment to the nearest half-centimeter.
________ cm
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