1.   Estimate. Round to the indicated place value.

221 + 32; tens

    A. 220 + 40 = 260 B. 200 + 30 = 230
    C. 230 + 30 = 260 D. 220 + 30 = 250
    Hint

  2.   Estimate. Round to the indicated place value.

$72 + $12; tens

    A. $75 + $12 = $87 B. $70 + $10 = $80
    C. $80 + $10 = $90 D. $70 + $15 = $85
    Hint

  3.   Estimate. Round to the indicated place value.

42,420 − 5,789; thousands

    A. 50,000 − 6,000 = 34,000 B. 42,000 − 5,000 = 37,000
    C. 42,000 − 6,000 = 36,000 D. 50,000 − 5,000 = 45,000
    Hint

  4.   Elle wants a bicycle and helmet for her birthday. The table shows what each costs. About how much will these cost together?

ItemCost
Bicycle$385
Helmet$29

    A. $400 + $20 = $420 B. $300 + $30 = $330
    C. $300 + $20 = $320 D. $400 + $30 = $430
    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?

ItemCost
Game system$209
Game$49

    A. $300 + $50 = $350 B. $300 + $100 = $400
    C. $200 + $50 = $250 D. $200 + $100 = $300
    Hint