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Math Unit 6 1.NBT.4

Last updated about 5 years ago

10 questions

Note from the author:

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1.NBT. 4

Question 1

1.

Question 2

2.

Question 3

3.

Show your representation for the following:

5 + 3 = _, so
50 + 30 = ___

Question 4

4.

Question 5

5.

Question 6

6.

Show your representation.

What is the sum?
46 + 9 =

Question 7

7.

Show your representaion.

What is the sum?
21 + 38 =

Question 8

8.

Question 9

9.

Question 10

10.

55

45

85

105

Look at the model.  What is the sum if you add 10?

36

64

13

56

Use the chart to help you answer. Select True or False.

8 + 31 = 41

True

False

Use the chart to help you answer. Select True or False.

57 + 40 = 97

True

False

Look at the model. What is the sum if you subtract 10?

78

38

86

58

3 + 6 + 9 + 1

30 + 60 + 90 + 10

30 + 60 + 9 + 1