1.   Estimate. Round to the tens.

97 − 34

    A. 90 − 40 = 50 B. 90 − 30 = 60
    C. 100 − 30 = 70 D. 90 − 50 = 40
    Hint

  2.   Grayson ran 23 miles in his first week of an exercise program. The second week, he ran 28 miles. How many miles did he run altogether?
    A. 51 miles B. 52 miles
    C. 61 miles D. 41 miles
    Hint

  3.   Add mentally.

32 + 18 + 40

    A. 80 B. 70
    C. 100 D. 90
    Hint

  4.   When you subtract 0 from any number, the result is the number. Which addition rule is similar?
    A. Subtraction Rule B. Identity Property of Addition
    C. Commutative Property of Addition D. Associative Property of Addition
    Hint

  5.   Estimate. Round to the indicated place value.

221 + 32; tens

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

  6.   Estimate. Round to the indicated place value.

1,982 + 2,301; thousands

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

  7.   Solve.

    A. $95.33 B. $96.33
    C. $96.13 D. $106.33
    Hint

  8.   Solve.

    A. $306.96 B. $406.96
    C. $416.96 D. $316.96
    Hint

  9.   Find 489 − 399.
    A. 180 B. 90
    C. 190 D. 80
    Hint

  10.   Subtract.

    A. 654 B. 655
    C. 645 D. 755
    Hint

  11.   Solve.

    A. $58.59 B. $68.59
    C. $68.69 D. $68.51
    Hint

  12.   Solve.

    A. 3,265 B. 4,165
    C. 4,265 D. 3,165
    Hint