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.

1,478 + 209; hundreds

    A. 1,500 + 200 = 1,700 B. 1,400 + 200 = 1,600
    C. 1,600 + 200 = 1,800 D. 1,480 + 210 = 1,690
    Hint

  3.   Estimate. Round to the indicated place value.

$72.32 + $12.18; tens

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

  4.   Estimate. Round to the indicated place value.

1,982 + 2,301; thousands

    A. 2,000 + 2,000 = 4,000 B. 1,000 + 2,500 = 3,500
    C. 2,000 + 3,000 = 5,000 D. 1,000 + 2,000 = 3,000
    Hint

  5.   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. $400 + $20 = $420 B. $400 + $30 = $430
    C. $300 + $20 = $320 D. $300 + $30 = $330
    Hint