Add and subtract fractions and decimals, including negatives

Answer Key - Grade 7 Math Worksheet - Building Confidence

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

1. 1.

   Bo's frog starts at 3.2 on a number line, looking very determined. Adding (-4.7) is a move of 4.7 left. Where does the frog land?

   -1.5
2. 2.

   Jun's toy boat floats at -3/4 on a number line river. Adding 1/4 is a move of 1/4 right. Where does the boat stop?

   -1/2
3. 3.

   Kira draws a puzzle card from the math club jar. What is (-2.4) + 1.5?

   -0.9
4. 4.

   Milo finds a puzzle at the back of the math book. What is 0.7 + (-4.2)?

   -3.5
5. 5.

   Noah picks a star card from the pile. What is 2.5 - (-1.8)?

   4.3
6. 6.

   Pia draws a subtraction card from the jar. What is (-3.2) - 1.7?

   -4.9
7. 7.

   Tala rings a bell for a subtraction question. What is (-4.1) - (-2.6)?

   -1.5
8. 8.

   Bo finds a fraction puzzle in the math book. What is 1/6 + (-5/6)?

   -2/3
9. 9.

   Esme picks a fraction star card. What is 3/8 - 5/8?

   -1/4
10. 10.

    Kira draws a fraction subtraction card. What is 7/10 - (-3/10)?

    1