Math 1
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Math 4
100
Which equation matches the place-value blocks?
42 + 34 = 76
100
Part A
Which place-value blocks show how to find 30 + 8?
100
Which equation matches the place-value blocks?
Choose all that apply.
- 50 + 20 = 70
- 5 tens + 2 tens = 7 tens
- 50 + 10 = 60
- 4 tens + 2 tens = 6 tens
- 5 tens + 1 ten = 6 tens
- 40 + 20 = 60
50 + 20 = 70- 5 tens + 2 tens = 7 tens
100
Drag each sum to match it to the correct pair of addends.
- 57
AddendsSum
1 + 10
47 + 10
23 + 10
7 + 10
77 + 10
47 + 10
200
Use the part of the hundred chart to add. Explain how you found your answer.
32 + 20 = ______
52; I started at 32 and then added 2 tens.
200
Part B
What is the sum? Enter your answer in the box.
30 + 8 =
38
200
Drag each sum to match it to the correct pair of addends.
- 87
AddendsSum
1 + 10
47 + 10
23 + 10
7 + 10
77 + 10
77 + 10
200
Choose the correct number to complete the equation.
____ + 50 = 70
20
300
Choose the correct number to complete the equation.
30 + 60 = ____
90
300
Use the part of the hundred chart to solve the problem. Explain how you found your answer.
10 + 38 = ____
48; I started at 38 and added 1 ten.
300
Drag each sum to match it to the correct pair of addends.
- 17
AddendsSum
1 + 10
47 + 10
23 + 10
7 + 10
77 + 10
7 + 10
300
Find the sum. Can you make a 10?
16 + 7 = _____
23; I can make a 10.
400
Solve the problem.
38 + 24 = ___
Part A
Can you make a 10? Explain.
Yes, because 8 ones plus 4 ones is 12 ones.
400
Choose the correct number to complete the equation.
10 + ____ = 80
70
400
Drag each sum to match it to the correct pair of addends.
- 33
- 11
- 57
AddendsSum
1 + 10
47 + 10
23 + 10
7 + 10
77 + 10
23 + 10
400
What number is 4 tens and 5 ones?
45
500
Part B
Find the sum. Enter your answer in the box.
38 + 24 =
62
500
Find the sum. Can you make a 10?
8 + 15 = _____
23; I can make a 10.
500
Drag each sum to match it to the correct pair of addends.
- 11
- 57
AddendsSum
1 + 10
47 + 10
23 + 10
7 + 10
77 + 10
1 + 10
500
What number is 7 tens and 10 ones?
80