Change pack
Lintel
Oct 14 - 20
25 questions
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1.
Number
Write 7,000,000 in standard form
Answer: 7 × 106
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2.
Algebra
Factorise: x² + 5x - 50
Answer: (x + 10)(x - 5)
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3.
Geometry
Adjacent = 16cm, angle = 34°. Find opposite. Give your answer to 2 decimal places
Answer: 10.79cm
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4.
Ratio
Red and blue counters are in the ratio 8:10. What fraction of the counters are red?
Answer: 4⁄9
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5.
Statistics
The mean of 5 numbers is 34. If 4 of them are 43, 37, 44, 25, what is the missing number?
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1.
Number
Write 0.0074 in standard form
Answer: 7.4 × 10-3
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2.
Algebra
Factorise: x² + 18x + 72
Answer: (x + 12)(x + 6)
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3.
Geometry
Hypotenuse = 22cm, angle = 48°. Find adjacent side. Give your answer to 2 decimal places
Answer: 14.72cm
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4.
Ratio
Simplify: 6:18:18
Answer: 1:3:3
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5.
Statistics
Calculate the mean of: 8, 30, 9, 13, 33, 47, 25. Give your answer to 2 decimal places
Answer: 23.57
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1.
Number
Write 7,200,000 in standard form
Answer: 7.2 × 106
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2.
Algebra
Factorise: x² + 5x - 6
Answer: (x + 6)(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
Simplify: 15:6:18
Answer: 5:2:6
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5.
Statistics
Calculate the mean of: 25, 28, 7, 48, 38, 49, 14. Give your answer to 2 decimal places
Answer: 29.86
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1.
Number
Write 0.09 in standard form
Answer: 9 × 10-2
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2.
Algebra
Factorise: x² + 4x - 32
Answer: (x + 8)(x - 4)
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3.
Geometry
Hypotenuse = 19cm, angle = 61°. Find adjacent side. Give your answer to 2 decimal places
Answer: 9.21cm
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4.
Ratio
Simplify: 10:12:8
Answer: 5:6:4
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5.
Statistics
The mean of 4 numbers is 39. If 3 of them are 18, 27, 44, what is the missing number?
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1.
Number
Write 0.0041 in standard form
Answer: 4.1 × 10-3
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2.
Algebra
Factorise: x² + 7x - 30
Answer: (x + 10)(x - 3)
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3.
Geometry
Hypotenuse = 19cm, angle = 53°. Find adjacent side. Give your answer to 2 decimal places
Answer: 11.43cm
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4.
Ratio
Simplify: 12:6:10
Answer: 6:3:5
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5.
Statistics
The mean of 5 numbers is 37. If 4 of them are 44, 25, 32, 32, what is the missing number?