Grade 5 Topic 2 Review

Which of the decimals is equivalent to the value represented by the hundreds grid?

• 0.37

• 0.38

• 0.83

• 0.86

What decimal is illustrated in the image?

• 0.40

• 0.20

• 0.60

• 1.20

Does this model represent addition or subtraction?

• addition

• subtraction

Which problem is represented in the model?

• 0.32 - 0.17

• 0.49 - 0.32

• 0.32 + 0.17

• 0.49 - 0.17

What is the answer to this model?

• 0.19

• 0.61

• 0.42

• 0.2

Which problem is represented by this model? BE CAREFUL!

• 0.27 - 0.9

• 0.18 + 0.09

• 0.9 + 0.18

• 0.27 - 0.09

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

• TRUE

• FALSE

Roughly, approximately, and about are all clues for knowing when to round or estimate.

• TRUE

• FALSE

Round to the nearest WHOLE number to find the sum:

34.87 + 20.41

• 55

• 55.28

• 54

• 50

Round to the nearest WHOLE number to find the sum:

44.56 + 14.72

• 59.28

• 50

• 60

• 58