Change pack
Lintel
May 9 - 15
25 questions
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1.
Number
300000
Answer: 3 × 105
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2.
Algebra
Factorise: x² - 11x + 30
Answer: (x - 5)(x - 6)
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3.
Geometry
Adjacent = 10cm, angle = 40°. Find opposite
Answer: 8.4cm
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4.
Ratio
Divide 84 in the ratio 4:2:1
Answer: 48, 24 and 12
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5.
Statistics
The mean of 4 numbers is 33. If 3 of them are 33, 33, 35, what is the missing number?
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1.
Number
620000
Answer: 6.2 × 105
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2.
Algebra
Factorise: x² - 7x + 12
Answer: (x - 3)(x - 4)
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3.
Geometry
Hypotenuse = 29cm, angle = 25°. Find adjacent side
Answer: 26.3cm
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4.
Ratio
Divide 88 in the ratio 1:2:1
Answer: 22, 44 and 22
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5.
Statistics
The mean of 6 numbers is 30. If 5 of them are 20, 30, 45, 21, 47, what is the missing number?
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1.
Number
0.0049
Answer: 4.9 × 10-3
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2.
Algebra
Factorise: x² + 6x - 16
Answer: (x + 8)(x - 2)
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3.
Geometry
Adjacent = 23cm, angle = 34°. Find opposite
Answer: 15.5cm
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4.
Ratio
Simplify: 15:15:6
Answer: 5:5:2
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5.
Statistics
Calculate the mean of: 30, 45, 26, 44, 25, 38, 31, 10
Answer: 31.1
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1.
Number
9100000
Answer: 9.1 × 106
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2.
Algebra
Factorise: x² + x - 42
Answer: (x + 7)(x - 6)
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3.
Geometry
Hypotenuse = 32cm, angle = 46°. Find adjacent side
Answer: 22.2cm
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4.
Ratio
Simplify: 12:8:8
Answer: 3:2:2
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5.
Statistics
Calculate the mean of: 12, 27, 29, 7, 27, 20, 9, 41
Answer: 21.5
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1.
Number
0.0094
Answer: 9.4 × 10-3
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2.
Algebra
Factorise: x² - 14x + 49
Answer: (x - 7)(x - 7)
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3.
Geometry
Adjacent = 19cm, angle = 36°. Find opposite
Answer: 13.8cm
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4.
Ratio
Express the first part of 2:3 as a fraction in simplest form
Answer: 2⁄5
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5.
Statistics
The mean of 4 numbers is 34. If 3 of them are 29, 24, 17, what is the missing number?