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.

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

   2.35
5. 5.

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

   -11/12
6. 6.

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

   -7/12
7. 7.

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

   13/12
8. 8.

   At dawn Milo's thermometer read -3.4°C (a two-scarf morning). By noon it rose 1.9°C. What was the temperature at noon?

   -1.5
9. 9.

   Tala's robot sits at -3.4 on a number line, and its charging spot is at 2.7. How far is the robot from the charging spot?

   6.1
10. 10.

    Bo's toy turtle is at -4.2 on a number line, and a rock is at -1.85. How far is the turtle from the rock?

    2.35