Unit 1 - 4 Review

Front

What is the formula to calculate hourly wage?

Back

Hourly Wage = Total Earnings / Total Hours Worked.

Front

If a person earns $45 for 6 hours of work, how do you calculate their hourly wage?

Back

Divide the total earnings ($45) by the total hours worked (6 hours) to get $7.50 per hour.

Front

What is a ratio in the context of mixing paints?

Back

A ratio is a relationship between two quantities, showing how much of one substance is mixed with another.

Front

In the paint mixing problem, what is the ratio of red paint to yellow paint?

Back

The ratio of red paint to yellow paint is 3 oz to 5 oz.

Front

How do you find the amount of yellow paint needed if you have 9 oz of red paint?

Back

Use the ratio: If 3 oz of red requires 5 oz of yellow, then 9 oz of red requires (9 oz * 5 oz) / 3 oz = 15 oz of yellow.

Front

What is the result of dividing two negative numbers?

Back

Dividing two negative numbers results in a positive number.

Front

What is the result of -56 ÷ (-7)?

Back

The result is 8.

Front

What is the significance of the expression -(-3)?

Back

The expression -(-3) simplifies to +3, which is a positive number.

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but does not include fractions or decimals.

Front

Where would you place -6 on a number line?

Back

-6 would be placed to the left of 0 on a number line, indicating it is a negative integer.