Name:    Lesson 3: Extending Decreasing Patterns

1.

Karin is excited about her trip to Florida, which is 126 days away. She created the pattern 126, 119, 112, 105, ..., to show the number of days she has to wait. Which description below matches the pattern best?
 a. The numbers increase by 7. c. The numbers decrease by 7. b. The numbers decrease by 14. d. The numbers increase by 14.

2.

At what number will Karin’s pattern end?
 a. 14 b. 1 c. 7 d. 0

3.

How many weeks does Karin have to wait until she leaves for her trip to Florida?
 a. 15 weeks b. 18 weeks c. 12 weeks d. 20 weeks

4.

Nasir has \$12.00 in quarters. Each day he puts a quarter in the candy machine. He uses the pattern \$12.00, \$11.75, \$11.50, \$11.25, ..., to keep track of the amount of money he has left. What is Nasir’s pattern rule?
 a. The amounts are decreasing by 25¢. c. The amounts are increasing by \$25. b. The amounts are decreasing by \$25. d. The amounts are increasing by 25¢.

5.

How much money will Nasir have left on the 10th day?
 a. \$10.00 b. \$9.50 c. \$8.25 d. \$10.75

6.

How many days will it take for Nasir to spend all of his quarters?
 a. 52 b. 50 c. 48 d. 53

7.

Rachel’s number pattern decreases by 6. If the first number in her number pattern is 154, what is the 6th number?
 a. 118 b. 142 c. 124 d. 130

8.

A container of flour holds 7500 mL of flour. For each batch of pizza dough, the baker removes 250 mL of flour from the container. How much flour is left in the container after the baker has made 12 batches of pizza dough?
 a. 4750 mL b. 5000 mL c. 4250 mL d. 4500 mL

9.

How many batches of pizza dough did the baker make if there is 3750 mL of flour left in the container?
 a. 15 b. 13 c. 20 d. 18

10.

A number pattern is described as being 4 less than the number before it. If the number pattern begins with 168, what is the 10th number in the pattern?
 a. 128 b. 132 c. 140 d. 148