8th U4L2 - Keeping Equations Balanced

Front

What does it mean to keep equations balanced?

Back

Keeping equations balanced means that both sides of the equation have the same value. Any operation performed on one side must also be performed on the other side to maintain equality.

Front

What is the value of a triangle in this context?

Back

6

Front

What does a red trapezoid equal in this context?

Back

4

Front

What is a good equation for the hanger model if it equals 2 + 2?

Back

2 + 2 = x

Front

What equation represents the model where x plus 3 equals 7?

Back

x + 3 = 7

Front

What happens when you take off common shapes from both sides of an equation?

Back

You can simplify the equation while keeping it balanced.

Front

If 4 + 4 + 4 = x + x, what is the value of x?

Back

x = 6.

Front

What is an example of a simple equation?

Back

x = 5.

Front

What does the equation x - 3 = 7 represent?

Back

It represents that if you add 3 to x, you get 7.

Front

How do you solve the equation 3x = 9?

Back

Divide both sides by 3 to get x = 3.