Balancing Equations

2.A.4.4 FCA 9

What is equal?

Let’s Learn MoreEquations with Variables Video

Independent Practice Think Addition to Subtract

Activity 8-9 Lesson 4.8-4.9, Grab and Go Activity Kit

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Relate Addition and SubtractionClick Here

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What is an equation?

An equation is any number sentence with an equal sign

(=). Equations should also

balance or be equal on both sides of the equal sign.

The word variable will be used in this presentation.

What is a variable? A variable is a letter, shape, or object that represents a number.

Find the missing addend (variable)

+ 4 = 1010 – 4 =

6

= 6

THIN

K Use a related subtraction fact

6 + = 9 + 26 + = 11

11 – 6 =

5

= 5

Find the missing addend (variable)

THIN

K

A 11 B 8

C 3 D 5

What number should be put where the triangle ( ) is

to make the number sentence

true?

+ 3 = 8

A 9 B 13C 5 D 3

What number would balance

this equation?

2 + 7 = 4 +

A 3 B 15C 6 D 12

What number would make

this equation equal?

+ 12 = 9 + 6

There are many ways to make a number.

Here are some ways to make the number

76 + 15 + 2

9 - 2

10 - 3

4 + 3

8 - 1

7 + 07 - 0

When equations are equal they have the same answer.

Here are some equations that are equal.

2 + 7 =6 +

35 + 4 11-

2

10 - 1

8 + 1 9 -

0

9 + 0

7 + 2

A 5 + 1 B 6 - 0C 3 + 3 D 4 - 2

Which equation means is NOT equal to and does NOT

balance with the equation

4 + 2

Which set below represents 50?

A B

C D

Way to Go!

DO YOUR BEST ON THE TEST!