AQA · Mathematics · 8300
GCSE Maths: Negatives: real life
Number · AQA GCSE Maths (8300). Cards are generated from the Corbettmaths textbook exercise and practice questions for Negatives: real life (Corbettmaths Video 209), and every card links back to the exact page it came from. Practice tests are drawn from this deck’s own cards. Source material © Corbettmaths — used with attribution.
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If a temperature increases by 5°C from −3°C, what is the new temperature?
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2°C. Add 5 to −3: −3 + 5 = 2.
If the temperature at 3am is −8°C and it goes up by 13°C by 1pm, what is the temperature at 1pm?
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5°C. Calculate −8 + 13 = 5.
If a bank account balance is −£100 and £35 is deposited, what is the new balance?
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−£65. Calculate −100 + 35 = −65.
In a maths competition, correct answers are worth 5 points and incorrect answers −3 points. If someone answers 5 correctly and 4 incorrectly, what is their score?
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13 points. Calculate (5×5) + (4×−3) = 25 − 12 = 13.
What is the difference between −3°C and 4°C?
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7°C. Calculate 4 − (−3) = 4 + 3 = 7.
If the temperature at 5am is −6°C, goes up 9°C by 2pm, then down 15°C by 11pm, what is the temperature at 11pm?
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−12°C. Calculate −6 + 9 − 15 = 3 − 15 = −12.
Frome Rovers start on −10 points. They win 11 matches (3 points each), draw 6 (1 point each), lose 3 (0 points). What is their final points total?
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29 points. Calculate −10 + (11×3) + (6×1) = −10 + 33 + 6 = 29.
In a target game, hits are worth 5 points and misses −3 points. With 5 hits and 3 misses out of 8 balls, what is the score?
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16 points. Calculate (5×5) + (3×−3) = 25 − 9 = 16.
If the temperature falls from 2°C at 9pm to −6°C at 3am, by how many degrees did it fall?
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8 degrees. Calculate 2 − (−6) = 2 + 6 = 8.
If a bank balance is −£195.20 and £88.50 is deposited, what is the new balance?
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−£106.70. (Add: −195.20 + 88.50 = −106.70)
In a maths competition, if a student answers 3 questions correctly (12 points each), 6 incorrectly (−8 points each), and leaves 1 blank (−3 points), what is the total score?
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−15 points. (3×12 + 6×(−8) + 1×(−3) = 36 − 48 − 3 = −15)
If Submarine A is 658 metres below sea level and Submarine B is 177 metres higher than A, how far below sea level is Submarine B?
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481 metres below sea level. (658 − 177 = 481)
If Town A is 19.4°C and Town B is 27.6°C less than Town A, what is the temperature in Town B?
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−8.2°C. (19.4 − 27.6 = −8.2)
What is the midpoint between a temperature of −8.2°C and −6.2°C?
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−7.2°C. ((−8.2 + (−6.2)) ÷ 2 = −14.4 ÷ 2 = −7.2)
When calculating a new bank balance starting from a negative value, what operation is used when money is deposited?
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Addition. Depositing money adds to the balance, even if the starting balance is negative.
If an object is 'higher' than another object that is below sea level, what mathematical operation finds the depth of the higher object?
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Subtraction. Being 'higher' means less far below, so subtract the height difference from the original depth.
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