Multi-step problems with positive and negative numbers
7th grade (Year 8 in England) · 16 questions · Common Core: 7.NS.A.3, 7.EE.B.3 · England: KS3 Number, GCSE Foundation Number
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Question 1
A diver is at −10 m. She descends 0.5 m every second for 4 seconds. What is her new depth, in m? (Give a negative number.)
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Question 2
The temperature was −4 °C and fell steadily to −7.5 °C over 7 hours. What was the change in temperature per hour? (Give a negative number.)
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Question 3
Isla's game-credit balance is −5. Isla adds 30 credits, then buys 7 power-ups at 1.75 credits each. What is the balance now?
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Question 4
A diver is at −7 m. She descends 1.5 m every second for 8 seconds. What is her new depth, in m? (Give a negative number.)
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Question 5
The temperature was −4 °C and fell steadily to −8.5 °C over 3 hours. What was the change in temperature per hour? (Give a negative number.)
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Question 6
Elena's game-credit balance is −7. Elena adds 10 credits, then buys 4 power-ups at 3 credits each. What is the balance now?
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Question 7
A diver is at −9 m. She descends 2 m every second for 12 seconds. What is her new depth, in m? (Give a negative number.)
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Question 8
The temperature was −3 °C and fell steadily to −13 °C over 4 hours. What was the change in temperature per hour? (Give a negative number.)
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Question 9
Daniel's game-credit balance is −6. Daniel adds 27 credits, then buys 5 power-ups at 2.25 credits each. What is the balance now?
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Question 10
A diver is at −4 m. She descends 2.5 m every second for 11 seconds. What is her new depth, in m? (Give a negative number.)
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Question 11
The temperature was 6 °C and fell steadily to 2.5 °C over 7 hours. What was the change in temperature per hour? (Give a negative number.)
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Question 12
Felix's game-credit balance is −6. Felix adds 20 credits, then buys 5 power-ups at 1 credits each. What is the balance now?
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Question 13
A diver is at −10 m. She descends 0.75 m every second for 7 seconds. What is her new depth, in m? (Give a negative number.)
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Question 14
The temperature was 6 °C and fell steadily to 2 °C over 8 hours. What was the change in temperature per hour? (Give a negative number.)
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Question 15
Kofi's game-credit balance is −17. Kofi adds 17 credits, then buys 5 power-ups at 2.5 credits each. What is the balance now?
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Question 16
A diver is at −1 m. She descends 1.5 m every second for 8 seconds. What is her new depth, in m? (Give a negative number.)
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