1.
Estimate. Round to the indicated place value.
221 + 32; tens
A.
220 + 40 = 260
B.
230 + 30 = 260
C.
220 + 30 = 250
D.
200 + 30 = 230
Hint
2.
Estimate. Round to the indicated place value.
$72 + $12; tens
A.
$75 + $12 = $87
B.
$70 + $15 = $85
C.
$80 + $10 = $90
D.
$70 + $10 = $80
Hint
3.
Estimate. Round to the indicated place value.
$42 + $31; tens
A.
$40 + $35 = $75
B.
$50 + $30 = $80
C.
$50 + $40 = $90
D.
$40 + $30 = $70
Hint
4.
Estimate. Round to the indicated place value.
431 − 128; tens
A.
430 − 130 = 300
B.
400 − 200 = 200
C.
430 − 100 = 330
D.
500 − 100 = 400
Hint
5.
Estimate. Round to the indicated place value.
579 − 412; hundreds
A.
500 − 500 = 0
B.
600 − 400 = 200
C.
580 − 420 = 160
D.
500 − 400 = 100
Hint