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1. |
Find the sum. 465 + 2,576 |
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A. |
2,941 |
B. |
6,112 |
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C. |
3,041 |
D. |
2,931 |
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Hint |
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2. |
Samantha's family drove their car 1,341 miles going to New York and 1,289 miles returning home. What was the total number of miles driven? |
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A. |
2,630 miles |
B. |
2,620 miles |
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C. |
3,630 miles |
D. |
2,520 miles |
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Hint |
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3. |
Find the sum. 5 + 8 = ___ |
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A. |
10 |
B. |
12 |
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C. |
13 |
D. |
15 |
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Hint |
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4. |
Round 34 to the nearest ten. |
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A. |
70 |
B. |
30 |
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C. |
40 |
D. |
20 |
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Hint |
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5. |
Estimate the sum using rounding. 
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A. |
70 + 20 = 90 |
B. |
70 + 10 = 80 |
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C. |
65 + 10 = 75 |
D. |
60 + 10 = 70 |
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Hint |
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6. |
Suki read 78 pages in her book last week. This week she read 31 pages so far. About how many pages did she read over the last two weeks? |
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A. |
70 + 30 = 100 |
B. |
80 + 30 = 110 |
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C. |
80 + 40 = 120 |
D. |
100 + 30 = 130 |
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Hint |
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7. |
How could this problem be rewritten so an exact answer is needed? Rafael listened to 23 songs today. He listened to 49 yesterday. About how many songs did he listen to in the two days? |
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A. |
Use the Identity Property of Addition. |
B. |
Use multiples of 10 for the numbers. |
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C. |
Remove the word About from the last sentence. |
D. |
Use the Commutative Property of Addition. |
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Hint |
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8. |
Find the sum. $26 + $34 = ___ |
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A. |
$510 |
B. |
$58 |
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C. |
$50 |
D. |
$60 |
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Hint |
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9. |
Find the sum. 19¢ + 29¢ = ___ |
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A. |
48¢ |
B. |
318¢ |
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C. |
58¢ |
D. |
38¢ |
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Hint |
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10. |
Why is it a good idea to check answers for reasonableness? |
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A. |
Any mistake can be caught by using estimation to check your answers. |
B. |
Using estimation to check your answers gives exact results. |
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C. |
Checking for reasonableness uses the Identity Property. |
D. |
Many careless mistakes can be caught this way. |
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Hint |
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