Negative Number Knockout
–5 + (–3) = ?
Answer: –8
8 – (–3) = ?
Answer: 11
2 ½ + (–1 ¾) = ?
Answer: ¾
–3.2 + 1.5 = ?
Answer: –1.7
Sarah lost 5 points in a game and then gained 8 points. What is her net score change?
Answer: +3
The temperature was –4°C. It dropped 6°C. What is the new temperature?
Answer: –10°C
The temperature was –2°C. It rose by 5°C. What is the new temperature?
Answer: 3°C
–3 ⅓ + 2 ½ = ?
Answer: –⅚
4.6 – (–2.3) = ?
Answer: 6.9
The temperature was –7°C in the morning and dropped 4°C by afternoon. What’s the temperature now?
Answer: –11°C
–12 + 7 = ?
Answer: –5
–10 – (–7) = ?
Answer: –3
4 ¾ – (–2 ⅓) = ?
Answer: 7 1/12
–7.5 + (–2.8) = ?
Answer: –10.3
A hiker ascends 3.5 miles, then descends 6.2 miles, and finally climbs 2.1 miles. How far from the starting point is the hiker?
Answer: –0.6 miles
A submarine is at –200 feet. It descends another 150 feet. What is its depth?
Answer: –350 feet
You owe $20. You pay $30 to the bank (subtract a negative debt). How much money do you have left?
Answer: $10
–5 ½ – 3 ¼ = ?
Answer: –8 ¾
A diver is at –12.3 meters. He rises 5.6 meters. What is his new depth?
Answer: –6.7 meters
A bank account had –$120. You deposit $50, then withdraw $30. What is the balance?
Answer: –$100
–15 + (–25) + 10 = ?
Answer: –30
–8 – 12 – (–5) = ?
Answer: –15
3 ⅔ + (–6 ⅚) + 2 ¼ = ?
Answer: –1 1/12
–4.2 – 3.5 + 6.1 = ?
Answer: –1.6
A submarine is at –250 meters. It rises 75 meters, then dives 120 meters, and finally rises 50 meters. Where is it now?
Answer: –245 meters