Solve for the Unknown

Front

What is the equation to find out how many masks each class receives if a school nurse has 54 masks for 7 classes?

Back

54 ÷ 7 = ?

Tags

CCSS.3.OA.A.2

Front

Solve for x: x + 7 = 12

Back

x = 5

Tags

CCSS.6.EE.B.7

Front

What is the inverse operation of division?

Back

Multiplication

Tags

CCSS.4.NBT.B.6

Front

What equation represents the situation: You had some candy. Your little brother steals 15 pieces. Now you have 12 pieces left?

Back

c - 15 = 12

Tags

CCSS.HSA.CED.A.3

Front

Solve for ?: 36 = ? x 9

Back

? = 4

Tags

CCSS.3.OA.B.6

Front

What is the first step to solve the equation: 2x = 10?

Back

Divide both sides by 2.

Tags

CCSS.6.EE.B.7

Front

If you have 20 apples and give away x apples, how would you write the equation for the number of apples left?

Back

20 - x = ?

Tags

CCSS.6.EE.B.6

Front

What is the equation to find the unknown if 5 + x = 10?

Back

x = 10 - 5

Tags

CCSS.6.EE.B.7

Front

What is the term for a number that is multiplied by another number to get a product?

Back

Factor

Tags

CCSS.4.OA.B.4

Front

If 15 = 3 x ?, what is the value of the unknown?

Back

? = 5

Tags

CCSS.3.OA.A.4