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Estimating Sums and Differences to the Nearest 10

Authored by Anthony Clark

Mathematics

5th Grade

CCSS covered

Estimating Sums and Differences to the Nearest 10
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

In the equation 497.55 - 265.41 = 232.14, the number 232.14 is the _________________

difference

quotient

compatible numbers

Tags

CCSS.6.NS.B.3

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Round to the nearest TEN to find the sum:

19.36 + 12.88

32.24

31

32

30

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Estimating is finding a value that is CLOSE or APPROXIMATE to the actual value, but it's not exact.

True

False

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What are compatible numbers?

Two of the same numbers.

Numbers that have the same digit in the ones place.

Pairs of numbers that are easy to add, subtract, multiply, or divide mentally.

Numbers that have the same amount of digits.

Tags

CCSS.4.NBT.B.5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Estimate the sum of 471 + 529. Round to the nearest 10.

800

900

1000

1100

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Estimate 345 + 481 by rounding each number to the nearest ten. 

1,200

830

840

1,300

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Mrs. Wright went shopping on Saturday. She spent $134 at the grocery store, $48 at the mall and $181 at the sports store. What is the best estimate of how much money Mrs. Wright spent on Saturday?

$365

$363

$360

$250

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