Addition/Subtraction Equations

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing variables.

Tags

CCSS.6.EE.A.2C

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Tags

CCSS.7.EE.B.4A

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.

Tags

CCSS.HSA.REI.A.1

Front

What is the inverse operation of subtraction?

Back

The inverse operation of subtraction is addition.

Tags

CCSS.2.NBT.B.5

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, you perform operations to get the variable on one side of the equation and the constants on the other.

Tags

CCSS.7.EE.B.4A

Front

What is the solution to the equation x - 40 = 56?

Back

x = 96.

Tags

CCSS.6.EE.B.7

Front

What is the solution to the equation r - 12 = 25?

Back

r = 37.

Tags

CCSS.6.EE.B.7

Front

Which equation has a solution equal to 12? 16 = 5 + x, 3 + c = 9, m + 2 = 14, n + 4 = 8

Back

m + 2 = 14.

Tags

CCSS.6.EE.B.5

Front

What is the solution to the equation 15 = n + 7?

Back

n = 8.

Tags

CCSS.6.EE.B.7

Front

What is the solution to the equation 99 = 51 + y?

Back

y = 48.

Tags

CCSS.6.EE.B.7