Change pack
Lintel
Oct 3 - 9
25 questions
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1.
Number
Write 0.0077 in standard form
Answer: 7.7 × 10-3
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2.
Algebra
Factorise: x² - 5x - 50
Answer: (x + 5)(x - 10)
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3.
Geometry
Hypotenuse = 39cm, angle = 51°. Find adjacent side. Give your answer to 2 decimal places
Answer: 24.54cm
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4.
Ratio
In ratio 7:9:10, what fraction is the second part?
Answer: 9⁄26
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5.
Statistics
The mean of 6 numbers is 40. If 5 of them are 38, 44, 46, 21, 23, what is the missing number?
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1.
Number
Write 0.0062 in standard form
Answer: 6.2 × 10-3
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2.
Algebra
Factorise: x² - 6x - 7
Answer: (x + 1)(x - 7)
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3.
Geometry
Hypotenuse = 24cm, angle = 60°. Find adjacent side
Answer: 12cm
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4.
Ratio
Black and white beads are in the ratio 5:4. What fraction of the beads are white?
Answer: 4⁄9
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5.
Statistics
Calculate the mean of: 21, 16, 37, 13, 16, 35
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1.
Number
Write 21,000 in standard form
Answer: 2.1 × 104
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2.
Algebra
Factorise: x² + 12x + 20
Answer: (x + 10)(x + 2)
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3.
Geometry
Adjacent = 13cm, angle = 55°. Find opposite. Give your answer to 2 decimal places
Answer: 18.57cm
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4.
Ratio
Express the first part of 4:7 as a fraction in simplest form
Answer: 4⁄11
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5.
Statistics
The mean of 4 numbers is 28. If 3 of them are 19, 41, 30, what is the missing number?
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1.
Number
Write 0.048 in standard form
Answer: 4.8 × 10-2
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2.
Algebra
Factorise: x² + 18x + 72
Answer: (x + 12)(x + 6)
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3.
Geometry
Hypotenuse = 27cm, angle = 45°. Find adjacent side. Give your answer to 2 decimal places
Answer: 19.09cm
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4.
Ratio
Simplify: 4:10:8
Answer: 2:5:4
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5.
Statistics
The mean of 4 numbers is 37. If 3 of them are 43, 40, 23, what is the missing number?
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1.
Number
Write 14,000 in standard form
Answer: 1.4 × 104
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2.
Algebra
Factorise: x² - 6x - 27
Answer: (x + 3)(x - 9)
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3.
Geometry
Adjacent = 20cm, angle = 49°. Find opposite. Give your answer to 2 decimal places
Answer: 23.01cm
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4.
Ratio
Simplify: 4:6:6
Answer: 2:3:3
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5.
Statistics
Calculate the mean of: 9, 8, 18, 9, 19, 17, 40, 49. Give your answer to 2 decimal places
Answer: 21.13