Find the Unknown Numbers H.W.

Front

What is the value of the unknown number in the equation: 5 x n = 25?

Back

n = 5

Tags

CCSS.3.OA.A.4

Front

What is the value of the unknown number in the equation: 7 x n = 42?

Back

n = 6

Tags

CCSS.3.OA.A.4

Front

What is the unknown number in the equation: 6 x n = 42?

Back

n = 7

Tags

CCSS.3.OA.A.4

Front

What is the value of d in the equation: 36 = d x 4?

Back

d = 9

Tags

CCSS.3.OA.A.4

Front

What is the value of the unknown number in the equation: 7 x n = 63?

Back

n = 9

Tags

CCSS.3.OA.A.4

Front

What does 'unknown number' mean in a math equation?

Back

An unknown number is a value we need to find, often represented by a letter like n or d.

Tags

CCSS.6.EE.B.6

Front

What is the multiplication property of equality?

Back

If you multiply both sides of an equation by the same number, the two sides remain equal.

Tags

CCSS.HSA.REI.A.1

Front

How do you isolate the variable in an equation?

Back

To isolate the variable, perform the opposite operation to both sides of the equation.

Tags

CCSS.7.EE.B.4A

Front

What is the first step to solve the equation: 8 x n = 64?

Back

Divide both sides by 8 to find n.

Tags

CCSS.6.EE.B.7

Front

What is the value of n in the equation: 9 x n = 81?

Back

n = 9

Tags

CCSS.3.OA.A.4