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 must 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 solution to the equation x + 3 = 7?

Back

x = 4

Front

What does a blue hexagon represent in an equation model?

Back

3

Front

What does a purple trapezoid equal in an equation model?

Back

6

Front

What equation does this model? x - 3 = 4

Back

x - 3 = 4

Front

What is the first step to solve the equation x + 3 = 7?

Back

Subtract 3 from both sides of the equation.

Front

What is the value of x in the equation 3x = 12?

Back

x = 4

Front

What operation can you perform to isolate x in the equation x - 3 = 4?

Back

Add 3 to both sides of the equation.

Front

What does the equation x/3 = 7 represent?

Back

It represents that x is equal to 21 when solved.

Front

What is the purpose of using shapes like hexagons and trapezoids in equations?

Back

Shapes can represent variables or constants in visual models to help understand relationships in equations.