Digits, Grade 7, Volume 1, Homework Helper

1-5: TEKS Practice

  • 1. Which of these is the reciprocal of negative , 14 over 5 , question mark

    • A. 5 fourteenths

    • B. negative , 5 fourteenths

    • C. negative , 14 over 5

    • D. 14 over 5

  • 2. Find the reciprocal of 4 sevenths . Simplify your answer.

  • 3. Which multiplication expression is equivalent to the division expression negative , 7 seventeenths , divides , 13 over 34 , question mark

    • A. negative , 17 over 7 , times , 13 over 34

    • B. negative , 17 over 7 , times , 34 over 13

    • C. negative , 7 seventeenths , times , 13 over 34

    • D. negative , 7 seventeenths , times , 34 over 13

  • 4. Divide 5 sevenths , divides . open , negative , 11 over 5 , close and simplify.

  • 5. There are approximately 39.37 inches in 1 meter. How many meters are there in 190 inches?

  • 6.

    • a. Writing Which of the numbers negative , 7 thirteenths , comma 1 , and 6 sevenths , comma negative 1 , and 6 sevenths , comma and 7 thirteenths is the reciprocal of 1 , and 6 sevenths , question mark

    • b. What is the reciprocal of 7 thirteenths , question mark

    • c. What do you notice about the reciprocals of 1 , and 6 sevenths and 7 thirteenths , question mark Explain.

  • 7.

    • a. Reasoning Find the reciprocal of 1 , and 1 seventeenth , .

    • b. Find the reciprocal of 17 over 18 , .

    • c. Explain how finding the first reciprocal simplifies finding the second reciprocal.

  • 8. Find the reciprocal of negative 8 , and 1 fourth , .

  • 9. Find the quotient. 7 tenths , divides 4.6

  • 10.

    • a. Error Analysis Your friend says the quotient 3 fourths , divides , 1 fourth is 1 third , . What is the correct quotient?

    • b. What mistake did your friend likely make?

      • A. Your friend multiplied with the reciprocal of the first fraction, not the second fraction.

      • B. Your friend multiplied 4 thirds , times 4.

      • C. Your friend added the fractions instead of dividing.

      • D. Your friend multiplied 3 fourths , times , 1 fourth .

  • 11. Think About the Process You want to write a multiplication expression equivalent to negative 2 , and 1 eighth , divides 6 , and 4 fifths , .

    • a. What is the first step?

      • A. Find the reciprocal of the divisor.

      • B. Find the reciprocal of the dividend.

      • C. Multiply the numerators of the fractions.

      • D. Write the mixed numbers as improper fractions.

    • b. Which multiplication expression is equivalent to negative 2 , and 1 eighth , divides 6 , and 4 fifths , question mark

      • A. negative , 17 over 8 , times , 34 over 5

      • B. negative , 8 seventeenths , times , 5 thirty fourths

      • C. negative , 17 over 8 , times , 5 thirty fourths

      • D. negative , 8 seventeenths , times , 34 over 5

  • 12. The area of a rectangle is 25 square feet. If its width is 3 , and 1 third feet, find its length.

  • 13. Open-Ended Which multiplication expression is equivalent to 5 eighths , divides , 1 sixteenth , question mark

    • A. 8 fifths , times , 1 sixteenth

    • B. 5 eighths , times , 1 sixteenth

    • C. 5 eighths , times 16

    • D. 8 fifths , times 16

  • 14. Perform the indicated operation. 3 , and 1 sixth , divides . open . negative 1 , and 4 ninths . close

  • 15. Find the quotient 7 fifteenths , divides , 6.2.

  • 16. A patient is to take 4 , and 1 third tablespoons of medicine per day in 4 equally divided doses. How much medicine is to be taken in each dose?


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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