Grade 7 Mathematics _Advanced

Front

What is 15% of 360?

Back

54

Front

How do you calculate the total cost after tax?

Back

Total Cost = Price + (Price × Tax Rate) = $15.50 + ($15.50 × 0.06) = $16.43

Front

What indicates a proportional relationship in a graph?

Back

A proportional relationship is indicated by a straight line that passes through the origin.

Front

How do you find 55% of 880?

Back

55% of 880 = 0.55 × 880 = 484.

Front

What does a rate of change represent in a graph?

Back

The rate of change represents how much one quantity changes in relation to another quantity.

Front

What is the formula for calculating percentage increase?

Back

Percentage Increase = (New Value - Original Value) / Original Value × 100%.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide by 100.

Front

What is the formula for calculating sales tax?

Back

Sales Tax = Price × Tax Rate.

Front

What does it mean if a line on a graph does not pass through the origin?

Back

It means that the relationship is not proportional.

Front

How do you determine the total cost of an item after tax?

Back

Add the sales tax to the original price.