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

  2.   Tell which value renames the number.

15 tens = 1 hundred +  ?  tens

    A. 1.5 B. 150
    C. 5 D. 15
    Hint

  3.   Tell which value renames the number.

8 hundreds =  ?  hundreds + 10 tens

    A. 7 B. 18
    C. 2 D. 800
    Hint

  4.   Round 6,408 to the underlined place.
    A. 8,000 B. 6,410
    C. 6,400 D. 6,480
    Hint

  5.   Round 4,378 to the underlined place.
    A. 4,300 B. 5,000
    C. 4,400 D. 4,000
    Hint

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

4,478 + 232

    A. 4,500 + 200 = 4,700 B. 4,400 + 200 = 4,600
    C. 45 − 23 = 22 D. 4,500 − 200 = 4,300
    Hint

  7.   Find 6,030 − 4,206.
    A. 2,834 B. 1,834
    C. 1,824 D. 10,236
    Hint

  8.   Find the sum.

    A. 3.22 B. 3.27
    C. 7.53 D. 8.53
    Hint

  9.   Find the result mentally.

7.3 + 5.5

    A. 12.2 B. 12.8
    C. 1.8 D. 35.8
    Hint

  10.   Find the result mentally.

12.4 − 7.1

    A. 5.3 B. 19.5
    C. 5.5 D. 4.3
    Hint