Two-Step Equations Word Problems

Identify the steps to solve for b

• Add 6 to both sides and divide both sides by 5

• Add 6 to both sides and multiply both sides by 5

• Subtract 6 from both sides then multiply both sides by 5

• Subtract 6 from both sides then divide both sides by 5

Tags

CCSS.7.EE.B.4A

How do you prove that your solution is correct? What is your success criteria for solving equations?

• I don't need to check: it's probably right!

• Substitution: plug the solution in for x and verify that the number sentence is true.

Tags

CCSS.7.EE.B.4A

Three students disagree about the best and fastest method to solve the equation shown in one step. Which one is correct?

• Rashad, who wants to multiply by 3

• Ruby, who wants to multiply by 5/3

• None of the students are correct. They need to study their notes.

• Jess, who wants to divide by 1/5

Tags

CCSS.6.EE.B.7

Level 3

Identify the steps to solve for b

• Add 6 to both sides and divide both sides by 5

• Add 6 to both sides and multiply both sides by 5

• Subtract 6 from both sides then multiply both sides by 5

• Subtract 6 from both sides then divide both sides by 5

Tags

CCSS.7.EE.B.4A

• $2

• $3

• $4

• $5

Tags

CCSS.7.EE.B.4A

A number is decreased by 7 and then the result is multiplied by 4 to get 20. What is the original number?

• 12

• 11

• 10

• 9

Tags

CCSS.7.EE.B.4A

• $15

• $20

• $30

• $25

Tags

CCSS.7.EE.B.4A

A rectangle's length is 3 times its width. If the perimeter of the rectangle is 48 meters, what is the width of the rectangle?

• 6 meters

• 9 meters

• 12 meters

• 15 meters

Tags

CCSS.8.EE.C.7B

A tank is filled by two pipes. The first pipe can fill the tank in 2 hours, and the second pipe takes 3 hours longer than the first pipe to fill the tank. If both pipes are opened together, they fill the tank in 1.2 hours. How long does it take for the second pipe to fill the tank alone?

• 4 hours

• 5 hours

• 6 hours

• 7 hours

If four times the age of Maria is decreased by 8, it equals twice her age increased by 4. What is Maria's age?

• 6 years

• 8 years

• 10 years

• 12 years

Tags

CCSS.8.EE.C.7B