12/10 7th grade

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other quantity is constant.

Front

How do you identify a proportional relationship in a graph?

Back

A graph shows a proportional relationship if it is a straight line that passes through the origin (0,0).

Front

What is the formula to find the difference in elevations?

Back

Difference in elevations = Elevation of the higher point - Elevation of the lower point.

Front

If Mount Ojos del Salado is 6900 meters above sea level and the Atacama Trench is 8100 meters below sea level, what is the total difference in elevation?

Back

The total difference in elevation is 6900 + 8100 = 15000 meters.

Front

What is the result of subtracting multiple withdrawals from a bank account?

Back

To find the current balance, subtract the total amount withdrawn from the initial balance.

Front

If Jason withdrew $160 three times, what is the total amount withdrawn?

Back

Total amount withdrawn = 3 x $160 = $480.

Front

What is the final balance if Jason's initial balance was $345 and he withdrew $480?

Back

Final balance = $345 - $480 = -$135.

Front

What percentage of packs contained mint-flavored gum if 32% of 125 packs were mint?

Back

To find the number of mint packs, calculate 32% of 125: 0.32 x 125 = 40 packs.

Front

How do you calculate a percentage of a total?

Back

Percentage of a total = (Percentage/100) x Total.

Front

What is the meaning of 'elevation'?

Back

Elevation refers to the height of a point above or below sea level.