Percent Bar Practice

Front

What is a percent?

Back

A percent is a way to express a number as a fraction of 100. It is often used to compare ratios and proportions.

Front

How do you calculate a percentage of a number?

Back

To calculate a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 25% of 200, calculate 200 x 0.25 = 50.

Tags

CCSS.6.RP.A.3C

Front

What does it mean to find 'half' of a number?

Back

Finding 'half' of a number means dividing that number by 2. For example, half of 8 is 4.

Tags

CCSS.1.G.A.3

Front

If Juan lost half of his markers and has 8 left, how many did he start with?

Back

Juan started with 16 markers. If he lost half (8), he has 8 remaining.

Tags

CCSS.3.OA.A.3

Front

What is 25% of a number?

Back

25% of a number is equivalent to one quarter of that number. For example, 25% of 100 is 25.

Tags

CCSS.6.RP.A.3C

Front

How do you find the total amount if you know a part and its percentage?

Back

To find the total amount, divide the part by the percentage (in decimal form). For example, if 3 teaspoons is 25%, the total is 3 ÷ 0.25 = 12 teaspoons.

Tags

CCSS.6.RP.A.3C

Front

What does it mean if only 40% of something is working?

Back

If only 40% of something is working, it means that out of the total, only 40 out of every 100 parts are functioning.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you calculate 60% of a number?

Back

To calculate 60% of a number, multiply the number by 0.60. For example, 60% of 50 is 50 x 0.60 = 30.

Tags

CCSS.6.RP.A.3C

Front

What is the relationship between parts and wholes in percentages?

Back

In percentages, the part is the portion of the whole expressed as a fraction of 100. For example, if 12 out of 100 marbles are red, then 12% of the marbles are red.

Front

If Laura has 36 marbles and needs 12 more, how many does she want in total?

Back

Laura wants a total of 48 marbles (36 + 12 = 48).

Tags

CCSS.2.OA.A.1