Equations Practice

What is the solution of 3w = 30

• 6

• 9

• 10

• 12

Tags

CCSS.3.OA.A.4

Solve: 9 + k = 18

• 18

• 9

• 8

• 7

Tags

CCSS.1.OA.D.8

Janeen's mother is 47. She is 26 years older than Janeen. Which equation can be used to find Janeen's age j?

• j + 26 = 47

• 26j = 47

• j - 26 = 47

• 47j = 26

Tags

CCSS.HSA.CED.A.3

At a nursery, plants are half off their original price. The sale price of a potted plan is $5.50. Which equation could be used to find the original cost of the plant?

• c/2 = $5.50

• 2c = $5.50

• $5.50c = 2

• 2 + c = $5.50

Tags

CCSS.HSA.CED.A.3

Antwaun waters his lawn 3 times a week. If he watered his lawn 24 times in all, which equation could be used to find how many weeks he has been watering his lawn?

• x + 3 = 24

• 24 - x = 3

• 3x = 24

• x/3 = 24

Tags

CCSS.HSA.CED.A.3

Kelly earned $20 for babysitting. She has also earned money by doing chores. Altogether, she has earned $100. How much did she earn doing chores?

• $5

• $20

• $80

• $120

Tags

CCSS.6.EE.B.7

What is the most important difference between an expression and an equation?

• they're spelled different

• an equal sign

• only equations have variables

• only expressions have variables

Tags

CCSS.L.1.5A

CCSS.L.1.5B

CCSS.L.K.5A

What operation is this:

2x

• addition

• subtraction

• multiplication

• division

Tags

CCSS.RI.4.10

CCSS.RI.5.10

CCSS.RI.6.4

CCSS.RI.7.4

CCSS.RI.8.4

Which of the following is not an equation?

• 2 + 2 = fish

• 2x + 4 = 25

• 3(4 + 5)

• 10 - 2x = 4

Tags

CCSS.L.1.5A

CCSS.L.1.5B

CCSS.L.K.5A

A variable is...

• the number in front of a letter

• a value that does not change

• numbers and letters separated by operations

• an unknown number represented by a letter

Tags

CCSS.RI.4.10

CCSS.RI.5.10

CCSS.RI.6.4

CCSS.RI.7.4

CCSS.RI.8.4