Writing Equations to Represent Situations

An equation is a mathematical statement that shows one is expression and it cannot contain any variables.

• True

• False

True or False? A solution of the equation is a value of the variable that makes the equation true.

• True

• False

Deterime if the following is a sloution for 6x = 54; x = 8

• Yes

• No

Determine if the following is a solution for x + 54 = 20; x = 34

• Yes

• No

Craig is c years old. His 12 year old sister Becky is 3 years younger than Craig. Which equation represents this situation?

• c = 12

• c + 12 = 3

• c - 3 = 12

• 12 - 3 = c

Tags

CCSS.HSA.CED.A.3

Julie has 102 beads to make n necklaces. Each necklace will have 17 beads. Which equation represents this situation?

• 102 - 17 = n

• 17 + n = 102

• 17(4) = 102

• 17n = 102

Tags

CCSS.HSA.CED.A.3