1.
Estimate. Round to the indicated place value.
$72 + $12; tens
A.
$75 + $12 = $87
B.
$80 + $10 = $90
C.
$70 + $15 = $85
D.
$70 + $10 = $80
Hint
2.
Estimate. Round to the indicated place value.
431 − 128; tens
A.
400 − 200 = 200
B.
430 − 100 = 330
C.
430 − 130 = 300
D.
500 − 100 = 400
Hint
3.
Estimate. Round to the indicated place value.
579 − 412; hundreds
A.
500 − 500 = 0
B.
600 − 400 = 200
C.
500 − 400 = 100
D.
580 − 420 = 160
Hint
4.
Elle wants a bicycle and helmet for her birthday. The table shows what each costs. About how much will these cost together?
Item
Cost
Bicycle
$385
Helmet
$29
A.
$300 + $30 = $330
B.
$40 + $30 = $70
C.
$400 + $30 = $430
D.
$400 + $300 = $700
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.
$300 + $100 = $400
B.
$200 + $50 = $250
C.
$200 + $100 = $300
D.
$300 + $50 = $350
Hint