1.   Which statement is true?
    A. 4 + 6 = 12 B. 301 < 246
    C. 780 < 560 D. 18 − 3 = 15
    Hint
  2.   Which statement is true?
    A. 915 = 951 B. 63 < 113
    C. 7 + 6 = 14 D. 8 − 4 < 4
    Hint
  3.   Carl has 25 baseball hats. He gave some to Kayley. He has 18 hats left. Which number sentence models how many hats Carl gave Kayley?
    A. 25 − ___ = 18 B. 25 + ___ = 18
    C. ___ − 25 = 18 D. ___ − 18 = 25
    Hint
  4.   Which number sentence is shown by the model?
   
    A. 2 + ___ + 5 = 8 B. 2 + 5 + ___ = 8
    C. 2 + 5 + 8 = ___ D. 2 + 5 = ___ + 8
    Hint
  5.   Use models to write an expression and a number sentence. Then solve.

A school bought 15 calculators this year. Next year they will buy 5 fewer calculators. How many will they buy next year?
    A. 15 + 5; 15 + 5 = 20 B. 5 + 15; 5 + 15 = 20
    C. 15 − 5; 15 − 5 = 10 D. 5 − 15; 5 − 15 = 10
    Hint
  6.   The + symbol makes which statement true?
    A. 18 ___ 9 = 9 B. 8 ___ 4 = 12
    C. 1 + 7 = 16 ___ 8 D. 15 = 20 ___ 5
    Hint
  7.   A builder built 5 houses with the same number of doors. One house has 3 doors, 2 houses have 6 doors, and 3 houses have 9 doors. How many doors will 5 houses have? Make a table to solve the problem. Write a rule.
    A. 12; Multiply by 4. B. 14; Add 4.
    C. 18; Multiply by 6. D. 15; Multiply by 3.
    Hint
  8.   How are the input and output in a table related?
    A. The output is always smaller than the input. B. The input is the result after the rule is applied to the output.
    C. They are the same. D. The output is the result after the rule is applied to the input.
    Hint
  9.   Alex's mother drives 10 more miles to work than his father does. Use the function table to find how many miles Alex's mother drives than his father drives for 3, 6, 9, and 12 miles.

Rule: Δ + 10
Input (Δ) Output ()
3 
4 
5 
6 
    A. 7, 4, 1, 2 B. 13, 14, 15, 16
    C. 13, 16, 19, 22 D. 2, 1, 4, 7
    Hint
  10.   Since they began playing baseball, Shane always hits 4 fewer homeruns each season than Lyle. Write the function rule.
    A. Δ + 4 B. Δ × 4
    C. Δ D. Δ − 4
    Hint
  11.   A spider has 8 legs. Write a rule that shows the total number of legs () for different numbers of spiders (Δ).
    A. Δ + 8 B. Δ − 8
    C. Δ × 8 D. Δ ÷ 8
    Hint
  12.   A horse has 4 legs. The table shows how many horses () there are for different numbers of legs (Δ). Describe the pattern.

Rule: Δ ÷ 4
Input (Δ)Output ()
41
82
123
164
   
    A. Multiply the number of legs by 4 to get the number of horses. B. Divide the number of horses by 4 to get the number of legs.
    C. Divide the number of legs by 4 to get the number of horses. D. Add 4 to the number of horses to get the number of legs.
    Hint