Number Patterns

Use the rule to make an input/output table.

Rule: the output is a+5

Use the rule to make an input/output table.

Rule: the output is d x 6

Use the rule to make an input/output table.

Rule: the output is 3c

Use the rule to make an input/output table.

Rule: the output is 8 + g

If c is cups of sugar and b is number of batches of cookies, which rule matches the information in the table?

• The output is b x 2

• The output is c x 2

• The output is b + 2

• The output is c + 2

Harlan uses the pattern rule l=d+2 to represent the number of laps she swims each day for a week. Which is the number of laps she swims the sixth day?

• 6

• 7

• 8

• 9

Tia hangs chili-shaped party lights in her back yard. The rule c=14f gives the number of chili lights, c, there are for each foot, f, of wire. How many lights are on 8 feet of wire?

• 126

• 112

• 98

• 96

Erik uses the equation e=25b to determine how much he earns for selling hand-carved bowls at the craft fair. If b represents the number of bowls sold and e represents his earnings, how much will Erik earn if he sells 9 bowls?

• $45.00

• $150.00

• $100.00

• $225.00

Gina paints beach scenes on notecards. She sells packages of 8 notecards for $8.00 for one package, $16.00 for two packages, and $24.00 for three packages. Which equation is the rule for the patten if n is the number of packages and d is the selling price in dollars?

• n=8d

• d=8+n

• n=8+d

• d=8n

At his job at the deli, Sam makes 9 sandwiches and 6 salads each hour. Which of the following patterns can you use to find the number of sandwiches he makes in 4 hours?

• 8, 16, 24, 28

• 9, 12, 18, 24

• 9, 18, 27, 36

• 6, 12, 18, 24