Change pack
Lintel
Nov 11 - 17
25 questions
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1.
Number
Write 89,000,000 in standard form
Answer: 8.9 × 107
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2.
Algebra
Factorise: x² - x - 90
Answer: (x + 9)(x - 10)
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3.
Geometry
Adjacent = 24cm, angle = 46°. Find opposite. Give your answer to 2 decimal places
Answer: 24.85cm
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4.
Ratio
Black and white sweets are in the ratio 7:8. What fraction of the sweets are white?
Answer: 8⁄15
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5.
Statistics
The mean of 4 numbers is 36. If 3 of them are 25, 35, 44, what is the missing number?
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1.
Number
Write 0.046 in standard form
Answer: 4.6 × 10-2
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2.
Algebra
Factorise: x² + x - 2
Answer: (x + 2)(x - 1)
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3.
Geometry
Hypotenuse = 26cm, angle = 26°. Find adjacent side. Give your answer to 2 decimal places
Answer: 23.37cm
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4.
Ratio
Black and white marbles are in the ratio 2:4. What fraction of the marbles are white?
Answer: 2⁄3
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5.
Statistics
The mean of 6 numbers is 33. If 5 of them are 22, 17, 29, 22, 50, what is the missing number?
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1.
Number
Write 33,000 in standard form
Answer: 3.3 × 104
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2.
Algebra
Factorise: x² - 12x + 35
Answer: (x - 5)(x - 7)
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3.
Geometry
Adjacent = 26cm, angle = 49°. Find opposite. Give your answer to 2 decimal places
Answer: 29.91cm
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4.
Ratio
Divide 240 in the ratio 4:3:1
Answer: 120, 90 and 30
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5.
Statistics
Calculate the mean of: 38, 6, 22, 35, 16, 36, 39, 38
Answer: 28.75
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1.
Number
Write 590,000 in standard form
Answer: 5.9 × 105
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2.
Algebra
Factorise: x² + 16x + 60
Answer: (x + 10)(x + 6)
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3.
Geometry
Adjacent = 19cm, angle = 53°. Find opposite. Give your answer to 2 decimal places
Answer: 25.21cm
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4.
Ratio
Simplify the ratio 3 litres : 400 ml
Answer: 15:2
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5.
Statistics
The mean of 4 numbers is 32. If 3 of them are 36, 36, 35, what is the missing number?
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1.
Number
Write 0.059 in standard form
Answer: 5.9 × 10-2
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2.
Algebra
Factorise: x² + 3x - 54
Answer: (x + 9)(x - 6)
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3.
Geometry
Hypotenuse = 28cm, angle = 35°. Find adjacent side. Give your answer to 2 decimal places
Answer: 22.94cm
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4.
Ratio
Simplify the ratio 2 litres : 400 ml
Answer: 5:1
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5.
Statistics
Calculate the mean of: 46, 29, 47, 14, 17, 13, 31. Give your answer to 2 decimal places
Answer: 28.14