Units 1-3 Review

Front

What is the unit rate if you spend $40 on 5 pounds of concrete?

Back

$8 per pound

Front

Who has a more concentrated orange fizz mixture: Noah (4 scoops of powder with 6 cups of water) or Andre (5 scoops of powder with 8 cups of water)?

Back

Noah's recipe because he uses less water per scoop of powder than Andre does.

Front

If a bag contains 120 marbles with a ratio of 19 red marbles for every black marble, how many red marbles are there?

Back

114 red marbles

Front

Convert 1.02 to a percentage.

Back

102%.

Front

What percent is 6 of 30?

Back

20%.

Front

Define unit rate.

Back

A unit rate is a comparison of any two units where one of the terms is 1.

Front

What is the formula to find the percentage of a number?

Back

(Part/Whole) x 100 = Percentage.

Front

How do you find the ratio of two quantities?

Back

Divide one quantity by the other to express it as a fraction.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, showing the relative sizes of two quantities.

Front

Explain how to convert a decimal to a percentage.

Back

Multiply the decimal by 100 and add a percent sign.