Change pack
Lintel
Jan 4 - 10
25 questions
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1.
Number
Write 76,000 in standard form
Answer: 7.6 × 104
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2.
Algebra
Factorise: x² + 3x - 88
Answer: (x + 11)(x - 8)
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3.
Geometry
Adjacent = 12cm, angle = 31°. Find opposite. Give your answer to 2 decimal places
Answer: 7.21cm
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4.
Ratio
£343.00 is shared between A and B in the ratio 5:2. How much does A receive?
Answer: £245.00
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5.
Statistics
Calculate the mean of: 40, 47, 50, 10, 10, 28, 13, 31. Give your answer to 2 decimal places
Answer: 28.63
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1.
Number
Write 0.0056 in standard form
Answer: 5.6 × 10-3
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2.
Algebra
Factorise: x² - 5x - 14
Answer: (x + 2)(x - 7)
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3.
Geometry
Hypotenuse = 24cm, angle = 34°. Find adjacent side. Give your answer to 2 decimal places
Answer: 19.9cm
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4.
Ratio
Orange, purple and pink sweets are in the ratio 3:7:6. What fraction of the sweets are orange?
Answer: 3⁄16
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5.
Statistics
The mean of 4 numbers is 25. If 3 of them are 38, 21, 35, what is the missing number?
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1.
Number
Write 380,000 in standard form
Answer: 3.8 × 105
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2.
Algebra
Factorise: x² - 2x - 3
Answer: (x + 1)(x - 3)
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3.
Geometry
Adjacent = 18cm, angle = 50°. Find opposite. Give your answer to 2 decimal places
Answer: 21.45cm
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4.
Ratio
Simplify the ratio 4 hours : 20 minutes
Answer: 12:1
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5.
Statistics
The mean of 4 numbers is 31. If 3 of them are 37, 25, 15, what is the missing number?
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1.
Number
Write 0.00078 in standard form
Answer: 7.8 × 10-4
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2.
Algebra
Factorise: x² - 15x + 54
Answer: (x - 6)(x - 9)
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3.
Geometry
Hypotenuse = 23cm, angle = 55°. Find adjacent side. Give your answer to 2 decimal places
Answer: 13.19cm
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4.
Ratio
In ratio 11:1:3, what fraction is the first part?
Answer: 11⁄15
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5.
Statistics
Calculate the mean of: 41, 27, 32, 47, 46, 15. Give your answer to 2 decimal places
Answer: 34.67
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1.
Number
Write 0.00099 in standard form
Answer: 9.9 × 10-4
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2.
Algebra
Factorise: x² + 4x - 12
Answer: (x + 6)(x - 2)
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3.
Geometry
Hypotenuse = 39cm, angle = 65°. Find adjacent side. Give your answer to 2 decimal places
Answer: 16.48cm
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4.
Ratio
Simplify the ratio 5kg : 950g
Answer: 100:19
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5.
Statistics
Calculate the mean of: 36, 46, 34, 21, 30, 31, 7, 15
Answer: 27.5