1.   Name the place-value position of the underlined digit in 67.
    A. ones B. tenths
    C. tens D. hundreds
    Hint

  2.   Tell which value renames the number.

4 hundreds = 3 hundreds +  ?  tens

    A. 7 B. 40
    C. 10 D. 1
    Hint

  3.   Round 139.708 to the ones place.
    A. 139.71 B. 139.7
    C. 139 D. 140
    Hint

  4.   A pen is 16.37 centimeters long. To the nearest tenth of a centimeter, how long is the pen?
    A. 20 cm B. 16 cm
    C. 16.3 cm D. 16.4 cm
    Hint

  5.   Which choice uses rounded numbers to get an estimate?

    A. 16 + 8 = 24 B. 16 − 8 = 8
    C. 17 − 8 = 9 D. 17 + 8 = 25
    Hint

  6.   Find 4,513 + 3,879.
    A. 7,382 B. 7,392
    C. 8,392 D. 634
    Hint

  7.   Last year the population of a town was about 26,400 and this year the population is about 29,200. What is the difference?
    A. 3,600 B. 55,600
    C. 3,800 D. 2,800
    Hint

  8.   Find 6.09 + 2.45.
    A. 8.44 B. 9.54
    C. 3.64 D. 8.54
    Hint

  9.   Find 3.47 + 4.93.
    A. 7.3 B. 7.4
    C. 0.44 D. 8.4
    Hint

  10.   Find the result mentally using compensation.

44 + 57

    A. 13 B. 93
    C. 91 D. 101
    Hint

  11.   Find the result mentally.

45.2 − 3.5

    A. 42.7 B. 41.7
    C. 42.3 D. 48.7
    Hint

  12.   Which choice uses compatible numbers to get an estimate?

372 − 124

    A. 300 − 100 = 200 B. 375 − 125 = 250
    C. 300 − 100 = 200 D. 370 − 120 = 250
    Hint

  13.   Find 1.2 + 6.8 + 0.9 mentally.
    A. 9.9 B. 8.9
    C. 17 D. 16
    Hint

  14.   Find 75 + 23 + 25 mentally.
    A. 98 B. 125
    C. 123 D. 150
    Hint