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Section 22.3 Deliberate Practice: Percent Calculations

Algebra is a skill, which means it requires practice to become proficient. But it will take more than rote repetition to get there. Deliberate practice is the thoughtful repetition of a task. For each of these sections, you will be given a list of specific skills or ideas to focus on as you practice thinking through the problems.

Focus on these skills:

  • Determine which of the part, the whole, and the percent you are given in the initial statement.

  • Set up the equation and solve it.

  • Present your work legibly.

Worksheet Worksheet

Instructions: Answer the question.

1.

What is 20% of 70?

2.

50% of what number is 15?

3.

40 is 10% of what number?

4.

What percent of 60 is 18?

5.

5% of 60 is what?

6.

What is of 30% of 27?

7.

8 is 25% of what number?

8.

40% of 32 is what number?

9.

25% of what number is 12?

10.

What number is 75% of 52?