Change pack
Lintel
Apr 11 - 17
25 questions
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1.
Number
Write 25,000 in standard form
Answer: 2.5 × 104
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2.
Algebra
Factorise: x² - 7x - 60
Answer: (x + 5)(x - 12)
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3.
Geometry
Hypotenuse = 27cm, angle = 53°. Find adjacent side. Give your answer to 2 decimal places
Answer: 16.25cm
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4.
Ratio
Orange, purple and pink counters are in the ratio 9:1:10. What fraction of the counters are orange?
Answer: 9⁄20
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5.
Statistics
The mean of 6 numbers is 32. If 5 of them are 25, 41, 36, 38, 39, what is the missing number?
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1.
Number
Write 0.000012 in standard form
Answer: 1.2 × 10-5
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2.
Algebra
Factorise: x² + 9x - 10
Answer: (x + 10)(x - 1)
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3.
Geometry
Adjacent = 25cm, angle = 34°. Find opposite. Give your answer to 2 decimal places
Answer: 16.86cm
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4.
Ratio
£105.00 is shared between A and B in the ratio 2:3. How much does A receive?
Answer: £42.00
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5.
Statistics
The mean of 5 numbers is 31. If 4 of them are 23, 24, 41, 38, what is the missing number?
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1.
Number
Write 80,000,000 in standard form
Answer: 8 × 107
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2.
Algebra
Factorise: x² + 2x - 15
Answer: (x + 5)(x - 3)
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3.
Geometry
Hypotenuse = 19cm, angle = 52°. Find adjacent side. Give your answer to 2 decimal places
Answer: 11.7cm
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4.
Ratio
Simplify the ratio 4 litres : 450 ml
Answer: 80:9
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5.
Statistics
Calculate the mean of: 39, 23, 48, 37, 32, 28, 17
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1.
Number
Write 55,000,000 in standard form
Answer: 5.5 × 107
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2.
Algebra
Factorise: x² + x - 72
Answer: (x + 9)(x - 8)
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3.
Geometry
Hypotenuse = 15cm, angle = 64°. Find adjacent side. Give your answer to 2 decimal places
Answer: 6.58cm
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4.
Ratio
Divide 216 in the ratio 3:4:1
Answer: 81, 108 and 27
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5.
Statistics
The mean of 6 numbers is 36. If 5 of them are 21, 45, 36, 33, 46, what is the missing number?
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1.
Number
Write 0.0084 in standard form
Answer: 8.4 × 10-3
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2.
Algebra
Factorise: x² + 7x + 10
Answer: (x + 5)(x + 2)
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3.
Geometry
Adjacent = 23cm, angle = 32°. Find opposite. Give your answer to 2 decimal places
Answer: 14.37cm
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4.
Ratio
Orange and purple counters are in the ratio 13:6. What fraction of the counters are purple?
Answer: 6⁄19
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5.
Statistics
Calculate the mean of: 8, 33, 34, 28, 41, 9, 29