Name:    Lesson 2 - Describe Relationships in Tables

1.

Tara is keeping tack of her train trip to Kamloops, BC in the following table.

 Travel time (min) Distance travelled (km) 10 20 20 40 30 60 40 80

Write a rule that shows how the travel time can be used to figure out the corresponding number in the distance travelled column.

2.

Refer to the table from question 1.
Write a rule that shows how each number in the Distance travelled column can be used to figure out the corresponding number in the Travel time column.

3.

Use your rule from question 1 to figure out the distance travelled in 80 min.
 a. 160 km b. 140 km c. 150 km d. 130 km

4.

Use your rule from question 2 to determine the time it will take to travel 180 km.
 a. 70 min b. 60 min c. 90 min d. 100 min

5.

The table below show how much Marc earns babysitting.

 Number of hours Amount earned (\$) 0 10 1 14 2 18 3 22

Write a rule that shows how the number of hours can be used to figure out how much Marc earns.

6.

Use your rule from question 5 to figure out how much Marc will earn if he babysits for 6 h.
 a. \$31 b. \$34 c. \$33 d. \$35

7.

Craig cuts the same length of rope from a spool with 500 cm of  rope. This table show the length of rope left on the spool after 1 to 4 cuts.

 Number of cuts Length of rope left of spool (cm) 1 470 2 440 3 410 4 380

How long are the lengths of rope that Craig cut?
 a. 20 cm b. 50 cm c. 40 cm d. 30 cm

8.

Refer to the table in question 7. Write a rule you can use to figure out how much rope is left on the spool after any number of cuts.

9.

Refer to the table in question 7. How much rope is left on the spool after 12 cuts?
 a. 100 cm b. 140 cm c. 150 cm d. 120 cm

10.

Refer to the table in question 7. How many cuts are needed to have 50 cm of rope left on the spool?
 a. 15 b. 10 c. 16 d. 14