Add and subtract fractions and decimals, including negatives

Answer Key - Grade 7 Math Worksheet

Circle the best answer, or write your answer on the line.

1. 1.

   Luz balances a decimal puzzle on the scales. What is 2.4 + (-0.35)?

   2.05
2. 2.

   Milo draws a decimal card from the jar. What is (-1.75) + 0.6?

   -1.15
3. 3.

   Pia picks a decimal star card. What is 1.2 - (-0.45)?

   1.65
4. 4.

   Ren writes a decimal subtraction on the board. What is (-2.5) - 0.85?

   -3.35
5. 5.

   Tala rings a bell for a decimal subtraction. What is (-0.9) - (-3.25)?

   2.35
6. 6.

   Zee draws a decimal subtraction card. What is (-1.6) - (-2.75)?

   1.15
7. 7.

   Esme finds a fraction puzzle in the math book. What is (-2/3) + (-1/4)?

   -11/12
8. 8.

   Kira writes a fraction subtraction on the board. What is (-3/4) - (-1/6)?

   -7/12
9. 9.

   Luz rings a bell for a fraction subtraction. What is 5/6 - (-1/4)?

   13/12
10. 10.

    A tide gauge at Pia's dock reads -3/4 ft. The tide rises 5/6 ft. What does the gauge read now? (Below the dock mark is negative.)

    1/12