UNIT 1- 4 REVIEW

Front

You have 10 cups of hot chocolate. How many friends will get a drink, if you pour half a cup for each?

Back

20 people (Calculation: 10 ÷ 1/2 = 20)

Front

Convert 0.128 to a percent.

Back

12.8% (Calculation: 0.128 × 100 = 12.8)

Front

If 15% of a number is 45, what is the number?

Back

300 (Calculation: 45 ÷ 0.15 = 300)

Front

A recipe calls for ¾ cup of sugar. How many batches can be made from a 5 pound bag of sugar?

Back

6 ⅔ batches (Calculation: 5 pounds = 80 cups, 80 ÷ (3/4) = 106.67, so 106.67 ÷ 16 = 6.67)

Front

What is 55.78 + 4.6?

Back

60.38 (Calculation: 55.78 + 4.6 = 60.38)

Front

What is the formula to convert a decimal to a percent?

Back

Multiply the decimal by 100 and add a percent sign.

Front

What is the value of 25% of 200?

Back

50 (Calculation: 200 × 0.25 = 50)

Front

How do you find the total number of items if you know the number of items per group and the number of groups?

Back

Multiply the number of items per group by the number of groups.

Front

Back

Front

What is the area of a rectangle with length 5 cm and width 3 cm?

Back

15 cm² (Calculation: Area = length × width = 5 × 3 = 15)