| |
| |
1. |
Find the product. 4 × 7 |
| |
|
A. |
28 |
B. |
47 |
| |
|
C. |
3 |
D. |
11 |
| |
|
Hint |
|
| |
2. |
Tell which mathematical statement represents 5 groups of 7 people. |
| |
|
A. |
5 × 7 = 35 |
B. |
5 + 7 = 12 |
| |
|
C. |
5 × 7 = 12 |
D. |
5 × 7 = 57 |
| |
|
Hint |
|
| |
3. |
Use mental multiplication. 4 × 8,000 |
| |
|
A. |
32,000 |
B. |
12,000 |
| |
|
C. |
48,000 |
D. |
3,200 |
| |
|
Hint |
|
| |
4. |
Use mental multiplication. 800 × 20 |
| |
|
A. |
400 |
B. |
16,000 |
| |
|
C. |
1,600 |
D. |
820 |
| |
|
Hint |
|
| |
5. |
Tell which equation represents a way to find the product of 4 × 16. |
| |
|
A. |
4 × (10 + 6) |
B. |
4 × (16 − 6) |
| |
|
C. |
4 × (10 − 6) |
D. |
4 × (4 + 16) |
| |
|
Hint |
|
| |
6. |
Use the Distributive Property to rewrite 7 × (30 + 6). |
| |
|
A. |
7 × 30 × 6 |
B. |
(7 × 30) + (7 × 6) |
| |
|
C. |
(7 + 30) × (7 + 6) |
D. |
7 × 30 + (7 + 6) |
| |
|
Hint |
|
| |
7. |
Estimate 82 × 57. |
| |
|
A. |
80 × 50 = 4,000 |
B. |
80 + 60 = 140 |
| |
|
C. |
80 × 60 = 4,800 |
D. |
90 × 60 = 5,400 |
| |
|
Hint |
|
| |
8. |
Estimate 7 × 69. |
| |
|
A. |
7 + 70 = 77 |
B. |
5 × 70 = 350 |
| |
|
C. |
7 × 70 = 490 |
D. |
10 × 60 = 600 |
| |
|
Hint |
|
| |
9. |
Find the product. 
|
| |
|
A. |
621 |
B. |
6,138 |
| |
|
C. |
4,904 |
D. |
4,884 |
| |
|
Hint |
|
| |
10. |
Find 7 × 52. |
| |
|
A. |
364 |
B. |
752 |
| |
|
C. |
59 |
D. |
354 |
| |
|
Hint |
|
| |
11. |
Find the product. 
|
| |
|
A. |
3,724 |
B. |
888 |
| |
|
C. |
61 |
D. |
628 |
| |
|
Hint |
|
| |
12. |
Find 27 × 813. |
| |
|
A. |
16,221 |
B. |
840 |
| |
|
C. |
21,951 |
D. |
27,813 |
| |
|
Hint |
|
| |
13. |
Find the product mentally. 5 × 7 × 4 |
| |
|
A. |
140 |
B. |
16 |
| |
|
C. |
574 |
D. |
48 |
| |
|
Hint |
|
| |
14. |
Find the product mentally. 50 × 34 × 2 |
| |
|
A. |
134 |
B. |
50,342 |
| |
|
C. |
3,400 |
D. |
86 |
| |
|
Hint |
|
| |
15. |
Tell which equation is an estimate for 6 × $7.89. |
| |
|
A. |
5 × $5 = $25 |
B. |
6 × $8 = $48 |
| |
|
C. |
6 + $8 = $14 |
D. |
10 × $10 = $100 |
| |
|
Hint |
|
| |
16. |
Tell which equation is an estimate for 29.5 × 10. |
| |
|
A. |
30 × 10 = 300 |
B. |
20 × 10 = 200 |
| |
|
C. |
30 × 100 = 3,000 |
D. |
30 + 10 = 40 |
| |
|
Hint |
|
|