Addition and Subtraction Equations with Variables and Whole Numbers

In this equation: 12ab – 6z = 99a + 4 
The visible Operator(s) are: ___________________.

• /,     *,       +

• = ,       +

• +,       - 

• -,       =,       +

Tags

CCSS.7.EE.A.1

The first step to solving 2x + 1 = 7,  is to

• Divide by 2

• Subtract 2

• Subtract 1

• Subtract 7

Tags

CCSS.7.EE.B.4A

Which of the following is an equation?

• 6x + 2x - 6

• 6x² + 10 = 25

• 6x² + 10 - 25

• 10y - 6 + 34u

(0, 1, 2, 3....) represent

• integers

• whole numbers

• rational numbers

• irrational numbers

Solve the equation.

x + 9 = -5

Mathematical Equivalence

OFF

Tags

CCSS.6.EE.B.7

x + (-18) = 34

Mathematical Equivalence

ON

Tags

CCSS.6.EE.B.7

x - 7 = -15

Mathematical Equivalence

ON

Tags

CCSS.6.EE.B.7

y + 6 = 3

• y = - 3

• y = 0

• y = 9

• y = -18

Tags

CCSS.6.EE.B.7

 To solve for any variable, you must _______.

• Get the variable alone on one side

• Get everything on the same side

• Distribute the variable to the numbers

• Ask for help

Tags

CCSS.6.EE.B.7

Solve for k:
3k + 5 = 23

• k = 4

• k = 6

• k = 7

• k = 5

Tags

CCSS.7.EE.B.4A