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1. |
Estimate. Round to the tens. 
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A. |
30 + 20 = 50 |
B. |
50 + 20 = 70 |
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C. |
20 + 10 = 30 |
D. |
30 + 10 = 40 |
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Hint |
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2. |
Find $45 + $28. |
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A. |
$63 |
B. |
$17 |
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C. |
$83 |
D. |
$73 |
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Hint |
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3. |
Find the number that completes the number sentence. Then identify the property or rule. 12 − __ = 12 |
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A. |
0; Associative Property of Addition |
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B. |
12; Commutative Property of Addition |
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C. |
0; Identity Property of Addition |
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D. |
0; Subtraction Rule |
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Hint |
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4. |
Add mentally. 32 + 18 + 40 |
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A. |
100 |
B. |
90 |
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C. |
80 |
D. |
70 |
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Hint |
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5. |
Estimate. Round to the indicated place value. 221 + 32; tens |
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A. |
220 + 30 = 250 |
B. |
230 + 30 = 260 |
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C. |
200 + 30 = 230 |
D. |
220 + 40 = 260 |
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Hint |
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6. |
Logan wants to save for a video game system. The table shows what each costs. About how much will he have to save? Item | Cost | Game system | $209 | Game | $49 |
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A. |
$300 + $100 = $400 |
B. |
$200 + $50 = $250 |
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C. |
$300 + $50 = $350 |
D. |
$200 + $100 = $300 |
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Hint |
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7. |
Solve. 
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A. |
1,158 |
B. |
1,068 |
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C. |
1,268 |
D. |
1,168 |
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Hint |
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8. |
Solve. 
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A. |
7,514 |
B. |
7,154 |
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C. |
6,514 |
D. |
8,514 |
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Hint |
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9. |
Which of the following differences will need regrouping when you subtract? |
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A. |
772 − 571 |
B. |
772 − 578 |
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C. |
778 − 578 |
D. |
778 − 508 |
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Hint |
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10. |
Subtract. 
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A. |
473 |
B. |
201 |
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C. |
211 |
D. |
271 |
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Hint |
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11. |
Solve. 
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A. |
$1.10 |
B. |
$0.90 |
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C. |
$1.90 |
D. |
$0.10 |
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Hint |
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12. |
Solve. 
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A. |
4,455 |
B. |
5,645 |
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C. |
4,445 |
D. |
4,355 |
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Hint |
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