1.   Tell which value renames the number.

6 tens = 5 tens +  ?  ones
    A. 11 B. 5
    C. 10 D. 60
    Hint
  2.   Tell which value renames the number.

15 tens = 1 hundred +  ?  tens
    A. 1.5 B. 150
    C. 5 D. 15
    Hint
  3.   Round 5,293 to the underlined place.
    A. 9,000 B. 5,300
    C. 5,200 D. 5,290
    Hint
  4.   In the number 432.485, which sentence describes the digit just to the right of the tenths place?
    A. It is equal to 5. B. It is in the ones place.
    C. It is less than 5. D. It is greater than 5.
    Hint
  5.   Which choice uses rounded numbers to get an estimate?

212 + 769
    A. 200 + 700 = 900 B. 2 + 8 = 10
    C. 800 − 200 = 600 D. 200 + 800 = 1,000
    Hint
  6.   Which choice uses rounded numbers to get an estimate?

53.95 − 29.72
    A. 60 − 30 = 30 B. 54 − 30 = 24
    C. 5 − 3 = 2 D. 54 + 30 = 84
    Hint
  7.   Find 23,176 + 15,235.
    A. 38,311 B. 38,301
    C. 7,941 D. 38,411
    Hint
  8.   Find 4,307 + 5,787.
    A. 9,084 B. 9,090
    C. 10,094 D. 9,094
    Hint
  9.   Find 8.06 − 7.43.
    A. 15.49 B. 0.63
    C. 1.63 D. 0.53
    Hint
  10.   A student annexed zeros to help him add 45.0573 and 2.48. Which digit in the problem does not line up with a zero?
    A. 2 B. 7
    C. 4 D. 3
    Hint
  11.   Name the property of addition that helps you find the sum mentally.

14.25 + (5.75 + 8.36) = 28.36
    A. Associative Property B. Distributive Property
    C. Commutative Property D. Identity Property
    Hint
  12.   Find the result mentally.

45.2 − 3.5
    A. 41.7 B. 42.7
    C. 42.3 D. 48.7
    Hint
  13.   Find the result mentally.

840 − 547
    A. 293 B. 393
    C. 3,007 D. 1,387
    Hint
  14.   Find 75 + 23 + 25 mentally.
    A. 98 B. 150
    C. 125 D. 123
    Hint