Writing Proportional Equations from Context and Tables - Kimberly Hargis | Library

Instructions

1. In the "Show Your Work" find the C.o.P. and build your equation based on y=kx.
2. To pick the correct equation, remember the quantity that DEPENDS on the other quantity will be the DEPENDENT variable. 

HINT: Equations start with the dependent variable, y. Tables start with the independent variable, x.

We'll do a couple together to practice!

1

When Trayvon goes to the batting cages, he uses 2 tokens for every 10 pitches. There is a proportional relationship between the number of tokens Trayvon uses, t, and the number of pitches, p.

1

Devon’s favorite applesauce recipe calls for 2 teaspoons of cinnamon for every 3 apples. There is a proportional relationship between the number of apples, a, and the amount of cinnamon, c.

1

Alicia makes 40 ice cubes with 4 ice trays. There is a proportional relationship between the number of trays Alicia uses, t, and the total number of ice cubes she makes, i.

1

Xander pays $8 for 10 skateboard stickers. There is a proportional relationship between the number of stickers Xander buys, n, and the total cost, c.

1

Brody is laying new tile flooring in his hallway. For every 2 feet in the hallway, he places 8 tiles. There is a proportional relationship between the length of the hallway Brody covers, f, and the number of tiles he needs, t.

1

Lia earns $39 for 3 hours of babysitting. There is a proportional relationship between the number of hours Lia babysits, h, and the total amount of money she earns, m.

1

A cookie recipe makes 48 cookies using 4 cups of sugar. There is a proportional relationship between the number of cups of sugar, s, and the total number of cookies, c.

1

Landry is saving money for a new laptop. After 9 months, he has saved $216. There is a proportional relationship between the number of months, n, and the total amount of money Landry has saved, m.

1

Dominic buys 10 boxes of raisins for $5. There is a proportional relationship between the number of boxes of raisins he buys, n, and the total cost, c.

1

Nicolette pays $35.94 for 6 months of a music streaming service. There is a proportional relationship between the number of months, m, and the total cost, c.