1.   Find the sum.

7 + 9 = ___
    A. 17 B. 14
    C. 15 D. 16
    Hint
  2.   Round 85 to the nearest ten.
    A. 90 B. 80
    C. 70 D. 85
    Hint
  3.   Find the sum. Identify the property.

4 + 7 = ___

7 + 4 = ___
    A. 7; Identity Property of Addition B. 11; Identity Property of Addition
    C. 11; Associative Property of Addition D. 11; Commutative Property of Addition
    Hint
  4.   How can you use the Commutative and Associative Properties of Addition to add 4, 7, and 5?
    A. It does not matter which two numbers are added first (Commutative Property) or in which order they are added (Associative Property). B. The Associative Property tells you to work from left to right, and the Commutative Property of Addition tells you to add.
    C. It does not matter which two numbers are added first (Associative Property) or in which order they are added (Commutative Property). D. The Commutative Property tells you to work from left to right, and the Associative Property of Addition tells you to add.
    Hint
  5.   Estimate the sum using compatible numbers.

44 + 27 = ___
    A. 40 + 50 = 90 B. 40 + 20 = 70
    C. 20 + 30 = 50 D. 40 + 30 = 70
    Hint
  6.   Estimate the sum using compatible numbers.

36 + 45 = ___
    A. 50 + 50 = 90 B. 40 + 50 = 80
    C. 25 + 25 = 50 D. 40 + 40 = 80
    Hint
  7.   Find the sum.
    A. 69¢ B. 80¢
    C. 79¢ D. 89¢
    Hint
  8.   Find the sum.

$26 + $34 = ___
    A. $60 B. $50
    C. $510 D. $58
    Hint
  9.   Find the sum.

147 + 175 = ___
    A. 222 B. 312
    C. 322 D. 212
    Hint
  10.   Find the sum.

156 + 54 = ___
    A. 100 B. 200
    C. 210 D. 110
    Hint
  11.   Find the sum.

24 + 6 = ___
    A. 20 B. 40
    C. 84 D. 30
    Hint
  12.   Find the sum.

46 + 5 = ___
    A. 50 B. 41
    C. 96 D. 51
    Hint