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1. |
Find the sum of 22 and 9. |
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A. |
30 |
B. |
21 |
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C. |
32 |
D. |
31 |
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Hint |
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2. |
Which demonstrates the “make ten” strategy for adding 17 and 6? |
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A. |
17 + 6 = 17 + 3 + 3
= 20 + 3
= 23 |
B. |
17 + 6 = 17 + 6 − 3
= 20 |
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C. |
17 + 6 = 17 + 3 − 3
= 17 |
D. |
17 + 6 = 10 + 7 + 6
= 17 + 6
= 23 |
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Hint |
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3. |
Find the sum of 354 and 223. |
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A. |
577 |
B. |
567 |
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C. |
131 |
D. |
78,942 |
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Hint |
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4. |
Find the sum of 8, 6, and 2. |
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A. |
15 |
B. |
2 |
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C. |
18 |
D. |
16 |
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Hint |
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5. |
Which demonstrates using expanded form for adding 88 and 34? |
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A. |
8 + 8
+ 3 + 4
110 +12 = 122 |
B. |
80 + 8
+ 30 + 4
110 +12
= 122 |
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C. |
88
+ 34
122 |
D. |
8 + 8
+ 3 + 4
11 +12
= 23 |
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Hint |
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6. |
Use addition facts to help you find the sum of 40 and 90. |
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A. |
94 |
B. |
13 |
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C. |
130 |
D. |
140 |
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Hint |
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7. |
Estimate the sum of 1,283 + 8,921. Then find the actual sum. |
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A. |
10,000; 10,204 |
B. |
9,000; 9,204 |
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C. |
11,000; 10,204 |
D. |
10,200; 10,202 |
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Hint |
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8. |
Which problem is indicated by the number line? |
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A. |
5 + 9 = 14 |
B. |
14 − 8 = 6 |
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C. |
14 − 9 = 5 |
D. |
9 − 5 = 4 |
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Hint |
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9. |
Find the difference of 136 and 99. |
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A. |
235 |
B. |
27 |
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C. |
47 |
D. |
37 |
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Hint |
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10. |
Which demonstrates using expanded form for subtracting 8,076 and 5,031? |
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A. |
8,000 + 70 + 6
−(5,000 + 30 + 1)
3,000 + 40 + 5
= 3,045 |
B. |
8,000 + 70 + 6
+ 5,000 + 30 + 1
13,000 + 100 + 7
= 13,107 |
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C. |
8,000 + 70 + 6
−(5,000 + 30 + 1)
3,000 + 40 + 5
= 3,450 |
D. |
8,076
−5,031
3,045 |
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Hint |
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