7th Grade Math Review

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

Solve the proportion: 2/3 = x/9. What is x?

Back

x = 6.

Front

What are complementary angles?

Back

Complementary angles are two angles whose measures add up to 90 degrees.

Front

What are supplementary angles?

Back

Supplementary angles are two angles whose measures add up to 180 degrees.

Front

If 7 bags of chocolate covered peanuts cost $3.43, how much does each bag cost?

Back

Each bag costs $0.49.

Front

What is the formula to find the cost of multiple items?

Back

Cost = Price per item × Number of items.

Front

If a funnel costs $0.38, how much do 6 funnels cost?

Back

6 funnels cost $2.28.

Front

What is the definition of a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.

Front

What is the sum of the angles in a triangle?

Back

The sum of the angles in a triangle is always 180 degrees.

Front

What is the definition of a variable in mathematics?

Back

A variable is a symbol used to represent a number that can change.