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1. |
Find 7 × 9. |
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A. |
68 |
B. |
63 |
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C. |
16 |
D. |
54 |
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Hint |
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2. |
El Condor, in the Andes mountains, is 20,669 feet tall. Identify the place value of each digit in 20,669. |
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A. |
2 – hundred thousands; 6 – hundreds; 6 – tens; 9 – ones |
B. |
2 – ten thousands; 0 – thousands; 6 – hundreds; 9 – ones |
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C. |
2 – ten thousands; 6 – thousands; 6 – tens; 9 – ones |
D. |
2 – ten thousands; 0 - thousands; 6 – hundreds; 6 – tens; 9 – ones |
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Hint |
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3. |
Find 5 × 31. |
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A. |
135 |
B. |
145 |
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C. |
155 |
D. |
165 |
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Hint |
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4. |
A ride at the state fair has 18 cars that each hold 8 people. How many people can go on the ride at one time? |
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A. |
144 |
B. |
146 |
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C. |
156 |
D. |
266 |
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Hint |
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5. |
Find $6,225 × 2. |
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A. |
$12,440 |
B. |
$12,540 |
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C. |
$12,450 |
D. |
$12,500 |
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Hint |
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6. |
Jay multiplies 190 by 5 and gets 95. Explain how you could use an estimate to show that his answer is incorrect. |
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A. |
190 + 5 is nearly 200, so Jay’s answer should be near 200. |
B. |
200 × 5 is 1,000, so Jay’s answer should be near 1,000. |
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C. |
Jay should get about 500 since 100 times 5 is 500. |
D. |
Jay should multiply 5 by 20 to get about 95. |
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Hint |
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7. |
Multiply. Use basic facts and patterns. 5 × 3 5 × 30 5 × 300 5 × 3,000 |
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A. |
15; 150; 1,500; 15,000 |
B. |
3; 35; 305; 3,005 |
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C. |
8; 80; 800; 8,000 |
D. |
15; 1,500; 15,000; 150,000 |
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Hint |
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8. |
Find 4 × 7,000. |
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A. |
28,000 |
B. |
2,800 |
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C. |
47,000 |
D. |
280,000 |
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Hint |
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9. |
Estimate. Round to the greatest place value.Then tell whether the estimate is greater than or less than the actual product. 829 × 3 |
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A. |
800 × 3 = 2,400; less than |
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B. |
850 × 3 = 2,550; greater than |
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C. |
800 × 1 = 800; less than |
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D. |
900 × 3 = 2,700; greater than |
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Hint |
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10. |
Estimate. Round to the greatest place value. Then tell whether the estimate is greater than or less than the actual product. $254 × 9 |
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A. |
$200 × 9 = $1,800; less than |
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B. |
$300 × 9 = $2,700; greater than |
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C. |
$250 × 9 = $2,250; less than |
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D. |
$200 × 10 = $2,000; greater than |
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Hint |
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11. |
Find 209 × 2. |
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A. |
419 |
B. |
408 |
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C. |
418 |
D. |
428 |
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Hint |
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12. |
Find $7,709 × 5. |
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A. |
$37,545 |
B. |
$36,545 |
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C. |
$39,545 |
D. |
$38,545 |
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Hint |
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