Change pack
Lintel
Sep 12 - 18
25 questions
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1.
Number
Write 1,400,000 in standard form
Answer: 1.4 × 106
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2.
Algebra
Factorise: x² - 9x + 14
Answer: (x - 2)(x - 7)
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3.
Geometry
Hypotenuse = 29cm, angle = 42°. Find adjacent side. Give your answer to 2 decimal places
Answer: 21.55cm
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4.
Ratio
£405.00 is shared between A and B in the ratio 5:4. How much does A receive?
Answer: £225.00
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5.
Statistics
The mean of 5 numbers is 36. If 4 of them are 36, 38, 46, 21, what is the missing number?
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1.
Number
Write 0.000051 in standard form
Answer: 5.1 × 10-5
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2.
Algebra
Factorise: x² - x - 90
Answer: (x + 9)(x - 10)
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3.
Geometry
Adjacent = 20cm, angle = 40°. Find opposite. Give your answer to 2 decimal places
Answer: 16.78cm
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4.
Ratio
Orange, purple and pink counters are in the ratio 11:8:1. What fraction of the counters are purple?
Answer: 2⁄5
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5.
Statistics
Calculate the mean of: 23, 40, 20, 35, 39, 41, 29. Give your answer to 2 decimal places
Answer: 32.43
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1.
Number
Write 0.0026 in standard form
Answer: 2.6 × 10-3
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2.
Algebra
Factorise: x² - 2x - 3
Answer: (x + 1)(x - 3)
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3.
Geometry
Adjacent = 11cm, angle = 56°. Find opposite. Give your answer to 2 decimal places
Answer: 16.31cm
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4.
Ratio
Simplify: 24:16:20
Answer: 6:4:5
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5.
Statistics
The mean of 5 numbers is 22. If 4 of them are 18, 48, 19, 17, what is the missing number?
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1.
Number
Write 6,700,000 in standard form
Answer: 6.7 × 106
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2.
Algebra
Factorise: x² + 11x + 10
Answer: (x + 10)(x + 1)
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3.
Geometry
Hypotenuse = 17cm, angle = 42°. Find adjacent side. Give your answer to 2 decimal places
Answer: 12.63cm
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4.
Ratio
Express the first part of 15:5 as a fraction in simplest form
Answer: 3⁄4
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5.
Statistics
Calculate the mean of: 7, 17, 40, 5, 30, 40, 41. Give your answer to 2 decimal places
Answer: 25.71
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1.
Number
Write 0.0006 in standard form
Answer: 6 × 10-4
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2.
Algebra
Factorise: x² - 5x - 24
Answer: (x + 3)(x - 8)
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3.
Geometry
Adjacent = 22cm, angle = 59°. Find opposite. Give your answer to 2 decimal places
Answer: 36.61cm
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4.
Ratio
Orange and purple sweets are in the ratio 5:6. What fraction of the sweets are orange?
Answer: 5⁄11
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5.
Statistics
Calculate the mean of: 31, 25, 15, 18, 6, 16, 12, 49
Answer: 21.5