Forming Equations

331 students went on a field trip. Six buses were filled and seven students were transported by car. Create an equation to calculate the number of students on each bus.

Tags

CCSS.HSA.CED.A.3

Ahmed collected boxes to use when relocating. He bought seven more boxes than he initially had to add to his collection. A week later half of all the boxes were destroyed in a fire. There are now only 22 boxes left. Create an equation to calculate the number of boxes he originally had.

Tags

CCSS.8.EE.C.7B

Jill sold a quarter of her comic books and then bought sixteen more. She now has 28. Create an equation to calculate the number of books she originally had.

Tags

CCSS.HSA.CED.A.3

I think of a number, subtract 3, then half it, my answer is 11. Which is the correct equation?

A number is increased by 8 and the result is 20. Write an equation to represent this situation.

• x + 8 = 20

• x * 8 = 20

• x + 20 = 8

• x - 8 = 20

Tags

CCSS.HSA.CED.A.3

The sum of two consecutive numbers is 27. Write an equation to represent this situation.

• 2x = 27

• x + (x+1) = 27

• x - 1 = 27

• x^2 + 1 = 27

Tags

CCSS.HSA.CED.A.1

The product of a number and 6 is 42. Write an equation to represent this situation.

• 6x + 42 = 0

• x - 6 = 42

• 42x = 6

• 6x = 42

Tags

CCSS.HSA.CED.A.3

If a number is divided by 4 and then 3 is added to the result, the final answer is 11. Write an equation to represent this situation.

• (x/4) - 3 = 11

• (x/4) + 3 = 7

• (x/4) + 11 = 3

• (x/4) + 3 = 11

Tags

CCSS.HSA.CED.A.3

If 7 is subtracted from twice a number, the result is 25. Write an equation to represent this situation.

• 2x - 7 = 18

• 7 - 2x = 25

• 2x + 7 = 25

• 2x - 7 = 25

Tags

CCSS.HSA.CED.A.3

The sum of a number and 12 is 30. Write an equation to represent this situation.

• x * 12 = 30

• x - 12 = 30

• x + 12 = 30

• x / 12 = 30

Tags

CCSS.HSA.CED.A.3