Change pack
Lintel
Feb 12 - 18
25 questions
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1.
Number
Write 3,200,000 in standard form
Answer: 3.2 × 106
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2.
Algebra
Factorise: x² - 6x - 40
Answer: (x + 4)(x - 10)
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3.
Geometry
Hypotenuse = 16cm, angle = 25°. Find adjacent side. Give your answer to 2 decimal places
Answer: 14.5cm
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4.
Ratio
Divide 207 in the ratio 1:4:4
Answer: 23, 92 and 92
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5.
Statistics
Calculate the mean of: 50, 16, 24, 40, 27, 50, 6, 27
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1.
Number
Write 0.0013 in standard form
Answer: 1.3 × 10-3
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2.
Algebra
Factorise: x² - 6x - 7
Answer: (x + 1)(x - 7)
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3.
Geometry
Adjacent = 28cm, angle = 45°. Find opposite
Answer: 28cm
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4.
Ratio
Red and blue sweets are in the ratio 14:12. What fraction of the sweets are blue?
Answer: 6⁄13
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5.
Statistics
The mean of 4 numbers is 40. If 3 of them are 45, 18, 33, what is the missing number?
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1.
Number
Write 0.022 in standard form
Answer: 2.2 × 10-2
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2.
Algebra
Factorise: x² + 3x - 54
Answer: (x + 9)(x - 6)
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3.
Geometry
Adjacent = 22cm, angle = 41°. Find opposite. Give your answer to 2 decimal places
Answer: 19.12cm
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4.
Ratio
Red, blue and green sweets are in the ratio 5:2:1. What fraction of the sweets are green?
Answer: 1⁄8
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5.
Statistics
Calculate the mean of: 39, 36, 30, 37, 7, 15. Give your answer to 2 decimal places
Answer: 27.33
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1.
Number
Write 91,000,000 in standard form
Answer: 9.1 × 107
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2.
Algebra
Factorise: x² + 19x + 84
Answer: (x + 12)(x + 7)
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3.
Geometry
Hypotenuse = 24cm, angle = 44°. Find adjacent side. Give your answer to 2 decimal places
Answer: 17.26cm
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4.
Ratio
Simplify the ratio 4m : 50cm
Answer: 8:1
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5.
Statistics
The mean of 4 numbers is 31. If 3 of them are 49, 17, 34, what is the missing number?
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1.
Number
Write 0.000038 in standard form
Answer: 3.8 × 10-5
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2.
Algebra
Factorise: x² + 9x - 22
Answer: (x + 11)(x - 2)
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3.
Geometry
Adjacent = 27cm, angle = 57°. Find opposite. Give your answer to 2 decimal places
Answer: 41.58cm
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4.
Ratio
In ratio 2:8:6, what fraction is the second part?
Answer: 1⁄2
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5.
Statistics
The mean of 4 numbers is 37. If 3 of them are 41, 25, 20, what is the missing number?