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#______
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Date______________
Chapter 4 Review & Practice pg. 82
Set A (pp. 68–69) (Write
your answers on the line and Show your Work!!!)
Use rounding to estimate the sum.
1.
2.
3.
4.
5.
7.
8.
9.
10.
2.
3.
4.
5.
2.
3.
4.
5.
Use front-end estimation to estimate the sum.
6.
Set B (pp. 72–73)
Find the sum.
1.
Set C (pp. 76–79)
Find the sum.
1.
6. Estimate to decide if the sum 1,874 + 3,205
is greater than 4,000. Explain your
answer. _________________
7. Write the missing addend.
4,000 + = 5,100
_________________
Set D (pp. 80–81) Write + or – to complete the number sentence.
1. 8
15 = 23 ______
4. 35 = 29
6 ______
2. 95
16 = 79 ______
3. 517
5. 42
9 = 51 ______
6. 27
483=1,000 ____
4 = 23 ______
7. Shelby had $18.50. She spent $7.25 at the car wash.
Write an expression that shows how much she spent. _______________________
#______
Name___________________________
Date______________
Chapter 4 Test pg. 83
CHECK VOCABULARY AND CONCEPTS (Write your answers on the line and Show your Work!!!)
Choose the best term from the box.
1. To find about how many, you can
regroup
. (p. 68) ________________
2. When you estimate a sum by adding the front digit of each addend, you are
using
. (p. 68) _________________________
estimate
front-end estimation
For 3, think of how to model 129 + 138. (pp. 70–71)
3. Do you need to regroup to find the sum 129 + 138? Explain. __________________________________________
CHECK SKILLS
For 4–5, use rounding to estimate the sum. For 6–7, use front-end estimation to estimate the sum. (pp. 68–69)
4.
5.
6.
7.
Find the sum. Estimate to check. (pp. 72–73, 76–79)
8. 419 + 451 =
______
11.
12.
9. 321 + 683 =
_______
13.
10. 127 + 315 + 299 =
______
14.
Write + or – to complete the number sentence. (pp. 80–81)
15. 58
17. 845
12 = 46 ______
369 = 476 _______
16. 42
67 = 109 _____
18. 92 = 165
73 _____
CHECK PROBLEM SOLVING
19. Mr. Samuel has 150 pennies in two jars. There are 20. Two numbers have a sum of 47. Their difference is
40 more pennies in one jar than in the other. How
5. What are the two numbers? (pp.74-74)
many pennies are in each jar?
________________________________
(pp. 74–75) _________________________