Multiply and divide fractions and decimals, including negatives and fractions of fractions

Answer Key - Grade 7 Math Worksheet - Challenge Me

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

1. 1.

   A fraction bar with 2/5 above it and -3/10 below it. A complex fraction arrives in Ren's envelope: 2/5 on top of the bar and -3/10 on the bottom. What is its value?

   -4/3
2. 2.

   A whale that Zee tracks for a science poster changes depth by -5/8 m in 1/4 minute. What is the change in depth for a whole minute?

   -5/2
3. 3.

   Ari has a bright idea about this puzzle: a pair of numbers that multiply nicely. What is (-3/4) × 5/6 × 8/3?

   -5/3
4. 4.

   Bo slices a pizza and spots a friendly pair in this puzzle. What is 12/5 × (-9/4) × 5/6?

   -9/2
5. 5.

   Esme's cat sits on a puzzle with three negative numbers. What is (-4/9) × (-2/5) × (-15/2)?

   -4/3
6. 6.

   In a spelling bee, each missed word changes Luz's team score by -0.75 point. The team misses 6 words, and the change is shared equally by 5 players. What is each player's change?

   -0.9
7. 7.

   In a relay game, each bonus round changes Milo's team score by 0.75 point. The team wins 8 bonus rounds, and the change is shared equally by 3 players. What is each player's change?

   2
8. 8.

   Pia fills in a balance puzzle: (-2/3) × ? = 4. What is the missing number?

   -6
9. 9.

   Tala writes (-0.4) × ? = 0.5 on the board and dares the class to solve it. What is the missing number?

   -1.25
10. 10.

    At school, Zee sees (-0.5) × ? = -0.8 on the door of the math room. What is the missing number?

    1.6