1.   Write 14 in tens and ones.
    A. 10 tens 4 ones B. 14 tens 0 ones
    C. 4 tens 1 one D. 1 ten 4 ones
    Hint
  2.   Estimate the sum of 65 + 12 using rounding.
    A. 65 + 10 = 75 B. 60 + 10 = 70
    C. 70 + 20 = 90 D. 70 + 10 = 80
    Hint
  3.   Round 805 to the nearest hundred.
    A. 900 B. 800
    C. 810 D. 700
    Hint
  4.   Find the difference.
    A. 243 B. 143
    C. 263 D. 163
    Hint
  5.   Find 8 × 4.
    A. 24 B. 22
    C. 32 D. 28
    Hint
  6.   Find the product.
    A. 1 B. 0
    C. 14 D. 4
    Hint
  7.   Find the product.
    A. 90 B. 1
    C. 9 D. 0
    Hint
  8.   Find 9 × 9.
    A. 81 B. 63
    C. 72 D. 90
    Hint
  9.   Once you recognize the rule, how can multiplication help you to extend a pattern like those in this lesson?
    A. You can multiply any output number by the number in the rule to find the input number. B. You can multiply any output number by the number in the rule to find the next output number.
    C. You can multiply any input number by the number in the rule to find the next input number. D. You can multiply any input number by the number in the rule to find the output number.
    Hint
  10.   Find the difference.

24 − 4 = ___
    A. 20 B. 21
    C. 22 D. 18
    Hint
  11.   Which picture shows a pair of equal groups?
   
    A. B B. D
    C. C D. A
    Hint
  12.   Find 8 × 6 = ___
    A. 72 B. 48
    C. 14 D. 24
    Hint
  13.   There are 12 candles. Each cake has 3 candles. How many cakes are there? Use counters to divide.
    A. 12 B. 6
    C. 4 D. 3
    Hint
  14.   Find the unit cost of 4 bottles of shampoo for $32.
    A. $4 B. $8
    C. $16 D. $28
    Hint
  15.   How can you tell the difference between an expression and an equation?
    A. An equation has an equals sign. B. An expression has a multiplication or division sign.
    C. An expression has an equal sign. D. The numbers in an equation are greater than the numbers in an expression.
    Hint
  16.   Find the missing number and identify the property.

(6 + 9) + 4 = (9 + __) + 4
    A. 6; Identity Property of Addition B. 6; Commutative Property of Addition
    C. 9; Commutative Property of Addition D. 6; Associative Property of Addition
    Hint
  17.   Find the sum mentally.

5 + 7 + 1 + 3
    A. 20 B. 15
    C. 16 D. 10
    Hint
  18.   Find the difference.

85 − 41 = __
    A. 34 B. 44
    C. 54 D. 46
    Hint
  19.   Which makes this number sentence true, + or − ?

45 __ 10 < 30 + 20
    A. + B. −
    C. either + or − D. neither + or −
    Hint
  20.   Use the Commutative Property of Multiplication to find the missing number.

8 × 4 = 32

4 × __ = 32
    A. 4 B. 32
    C. 8 D. 12
    Hint