1.   The table shows how many miles () the Myrna's have kayaked after different numbers of hours (Δ). Extend the pattern.

Rule: Δ × 3
Input (Δ)Output ()
1 
2 
3 
4 
    A. 4, 5, 6, 7 B. 1, 6, 9, 12
    C. 1, 5, 6, 12 D. 3, 6, 9, 12
    Hint
  2.   The table shows how many tire tubes () were sold for different amounts (Δ) at a bicycle shop. Extend the pattern.

Rule: Δ ÷ $12
Input (Δ)Output ()
$24 
$36 
$48 
$60 
    A. 3, 4, 5, 6 B. 2, 3, 4, 5
    C. 36, 48, 60, 72 D. 12, 24, 36, 48
    Hint
  3.   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
  4.   The table shows how many points () different numbers of stars (Δ) have. Describe the pattern.

Rule: Δ × 5
Input (Δ)Output ()
15
210
315
420
    A. The number of stars is 5 more than the number of points. B. The number of points is 5 more than the number of stars.
    C. The number of stars is 5 times the number of points. D. The number of points is 5 times the number of stars.
    Hint
  5.   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. Add 4 to the number of horses to get the number of legs. B. Multiply the number of legs by 4 to get the number of horses.
    C. Divide the number of legs by 4 to get the number of horses. D. Divide the number of horses by 4 to get the number of legs.
    Hint