Digits, Grade 7, Volume 1, Homework Helper

9-1: TEKS Practice

  • 1. Decide whether the following question is looking for the part, the percent, or the whole: 6 is what percent of 17?

  • 2. Decide whether the following situation is looking for the part, the percent, or the whole: 6 of 18 pears are yellow.

  • 3. 4 is what percent of 16?

  • 4. The football team has a total of 20 jerseys. There are 4 medium-sized jerseys. What percent of the jerseys are medium-sized jerseys?

  • 5. A local little league has a total of 60 players, of whom 80% are right-handed. How many right-handed players are there?

  • 6. The local newspaper has letters to the editor from 40 people. If this number represents 5% of all of the newspaper's readers, how many readers does the newspaper have?

  • 7. A student answers 90% of the questions on a math exam correctly. If he answers 27 questions correctly, how many questions are on the exam?

  • 8. Kevin went to see his favorite sports team play. His car can go 300 miles on one tank of gas. If he used 40% of a full tank of gas, how many miles did he travel?

  • 9. Dan is watching the birds in his backyard. He figures out that 9, or 33%, of the birds are sparrows. Does Dan need to find the part, the whole, or the percent?

  • 10.

    • a. Writing What is 50% of 36?

    • b. Write a percent problem that asks you to solve for the whole.

    • c. Write a problem that asks you to solve for the percent.

  • 11. Error Analysis Tom's math teacher asks, “7 is 50% of what number?” Tom incorrectly says, “350.”

    • a. What is the correct answer?

    • b. What error did Tom likely make?

      • A. He did not divide by 100.

      • B. He wrote the percent equation as percent = whole ÷ part.

      • C. He wrote the percent equation as whole = percent · part and did not divide by 100.

  • 12. Car Survey In a survey of 2,000 people who owned a certain type of car, 1,100 said they would buy that type of car again. What percent of the people surveyed were satisfied with the car?

  • 13. Think About the Process There are 4,000 books in the town's library. Of these, 2,600 are fiction.

    • a. To find the percent of the books that are fiction, first set up the percent equation.

      • A. 2 comma 600 equals m divides 4 comma 000

      • B. 2 comma 600 equals m middle dot 4 comma 000

      • C. 4 comma 000 equals m divides 2 comma 600

      • D. 4 comma 000 equals m middle dot 2 comma 600

    • b. What percent of the books are fiction?

  • 14.

    • a. Reasoning If 50% of the registered votes cast 228,000 votes in an election, how many registered voters are there?

    • b. In another election 60% of the registered voters cast 273,600 votes. How do the number of registered voters compare in the two elections?

  • 15. Meg is a veterinarian. She found that 50% of the 16 dogs she saw this week were boxers. Steve is also a veterinarian. He found that 7 of the 35 dogs he saw this week were boxers.

    • a. Does Meg need to find the part, the whole, or the percent?

    • b. Does Steve need to find the part, the whole, or the percent?


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Table of Contents

Digits, Grade 7, Volume 1, Homework Helper Unit A: Number and Operations Unit B: Expressions, Equations, and Relationships Unit C: Measurement and Geometry Unit D: Proportionality English/Spanish Glossary Formulas Math Symbols Formulas Measures Properties