| |
| |
1. |
Estimate. Round to the indicated place value. 221 + 32; tens |
| |
|
A. |
220 + 30 = 250 |
B. |
230 + 30 = 260 |
| |
|
C. |
220 + 40 = 260 |
D. |
200 + 30 = 230 |
| |
|
Hint |
|
| |
2. |
Estimate. Round to the indicated place value. 431 − 128; tens |
| |
|
A. |
430 − 130 = 300 |
B. |
500 − 100 = 400 |
| |
|
C. |
400 − 200 = 200 |
D. |
430 − 100 = 330 |
| |
|
Hint |
|
| |
3. |
Estimate. Round to the indicated place value. 579 − 412; hundreds |
| |
|
A. |
600 − 400 = 200 |
B. |
500 − 400 = 100 |
| |
|
C. |
580 − 420 = 160 |
D. |
500 − 500 = 0 |
| |
|
Hint |
|
| |
4. |
Estimate. Round to the indicated place value. 42,420 − 5,789; thousands |
| |
|
A. |
50,000 − 5,000 = 45,000 |
B. |
42,000 − 5,000 = 37,000 |
| |
|
C. |
42,000 − 6,000 = 36,000 |
D. |
50,000 − 6,000 = 34,000 |
| |
|
Hint |
|
| |
5. |
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 |
|
| |
|
A. |
$200 + $50 = $250 |
B. |
$300 + $100 = $400 |
| |
|
C. |
$300 + $50 = $350 |
D. |
$200 + $100 = $300 |
| |
|
Hint |
|
|