Change pack
Lintel
Dec 3 - 9
25 questions
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1.
Number
Write 510,000 in standard form
Answer: 5.1 × 105
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2.
Algebra
Factorise: x² + x - 20
Answer: (x + 5)(x - 4)
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3.
Geometry
Hypotenuse = 31cm, angle = 60°. Find adjacent side
Answer: 15.5cm
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4.
Ratio
Simplify: 8:8:24
Answer: 1:1:3
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5.
Statistics
Calculate the mean of: 14, 26, 41, 21, 45, 41, 6, 10
Answer: 25.5
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1.
Number
Write 72,000 in standard form
Answer: 7.2 × 104
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2.
Algebra
Factorise: x² - 5x - 36
Answer: (x + 4)(x - 9)
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3.
Geometry
Hypotenuse = 20cm, angle = 31°. Find adjacent side. Give your answer to 2 decimal places
Answer: 17.14cm
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4.
Ratio
Simplify the ratio 3 litres : 250 ml
Answer: 12:1
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5.
Statistics
The mean of 6 numbers is 28. If 5 of them are 20, 29, 42, 42, 30, what is the missing number?
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1.
Number
Write 0.0055 in standard form
Answer: 5.5 × 10-3
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2.
Algebra
Factorise: x² + 7x + 6
Answer: (x + 6)(x + 1)
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3.
Geometry
Adjacent = 23cm, angle = 47°. Find opposite. Give your answer to 2 decimal places
Answer: 24.66cm
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4.
Ratio
Red, blue and green sweets are in the ratio 11:8:3. What fraction of the sweets are red?
Answer: 1⁄2
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5.
Statistics
Calculate the mean of: 38, 36, 35, 27, 31, 20, 29. Give your answer to 2 decimal places
Answer: 30.86
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1.
Number
Write 530,000,000 in standard form
Answer: 5.3 × 108
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2.
Algebra
Factorise: x² + 5x - 24
Answer: (x + 8)(x - 3)
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3.
Geometry
Hypotenuse = 23cm, angle = 35°. Find adjacent side. Give your answer to 2 decimal places
Answer: 18.84cm
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4.
Ratio
Simplify the ratio 2 hours : 20 minutes
Answer: 6:1
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5.
Statistics
Calculate the mean of: 5, 13, 9, 18, 48, 7, 47
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1.
Number
Write 0.049 in standard form
Answer: 4.9 × 10-2
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2.
Algebra
Factorise: x² - 7x - 8
Answer: (x + 1)(x - 8)
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3.
Geometry
Adjacent = 24cm, angle = 45°. Find opposite
Answer: 24cm
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4.
Ratio
Simplify the ratio kg : 100g
Answer: 10:1
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5.
Statistics
The mean of 4 numbers is 36. If 3 of them are 34, 40, 36, what is the missing number?