we use it to represent the value of a number in a equation.

Tags

CCSS.6.EE.B.6

Combination of numbers and letters in an arithmetic problem.

• digits

• algebra

• solution

• greater than

Tags

CCSS.6.EE.A.2C

3x + 9 = 33

• 7

• 8

• 12

• 5

Tags

CCSS.7.EE.B.4A

3x + 8 = 14

• 5

• 2

• 0

• 6

Tags

CCSS.7.EE.B.4A

9 = x + 9

• 1

• 9

• 0

• 6

Tags

CCSS.1.OA.D.8

To win the annual read-a-thon at his school, Philip has to read more books than any of his classmates over winter break. He starts by reading a lot of sports books. Then, he reads 7 mystery books. In all, Philip reads 25 books for the read-a-thon.

Which equation can you use to find the number of sports books n Philip reads?

• 7n=25

• 7-n=25

• 7+n=25

• n/7=25

Tags

CCSS.HSA.CED.A.3

After watching baking shows on T.V., Joey signs up for a cake-decorating class. To practice his new skills, he decorates a batch of cupcakes with sugar flowers. Joey puts 3 sugar flowers on each cupcake. In all, Joey puts 36 sugar flowers on the cupcakes.

Which equation can you use to find the number of cupcakes c Joey decorates?

• 3c = 36

• 3+c=36

• 3 - c =36

• c/3 =36

Tags

CCSS.HSA.CED.A.3

On Saturday mornings, Heather volunteers at the hospital where her mother works. One Saturday, she answers phone calls at the information desk while the receptionist is away. Then she spends 25 minutes delivering flowers to patients' rooms. In all, Heather volunteers at the hospital for 45 minutes that day.

Which equation can you use to find the amount of time t that Heather answers phone calls?

• 25t=45

• 25 - t =45

• 25 + t =45

• t/25 =45

Tags

CCSS.HSA.CED.A.3

pair of points that we plot on the coordinate plane

Tags

CCSS.5.G.A.1

Is the name that we give to the vertical and horizontal line

• quadrants

• axis

• x

• y

Tags

CCSS.5.G.A.1