Change pack
Lintel
Oct 10 - 16
25 questions
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1.
Number
Write 0.00094 in standard form
Answer: 9.4 × 10-4
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2.
Algebra
Factorise: x² - 3x - 18
Answer: (x + 3)(x - 6)
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3.
Geometry
Adjacent = 15cm, angle = 39°. Find opposite. Give your answer to 2 decimal places
Answer: 12.15cm
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4.
Ratio
Simplify: 12:12:24
Answer: 1:1:2
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5.
Statistics
The mean of 6 numbers is 36. If 5 of them are 48, 47, 41, 23, 44, what is the missing number?
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1.
Number
Write 97,000,000 in standard form
Answer: 9.7 × 107
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2.
Algebra
Factorise: x² + 8x - 33
Answer: (x + 11)(x - 3)
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3.
Geometry
Hypotenuse = 20cm, angle = 31°. Find adjacent side. Give your answer to 2 decimal places
Answer: 17.14cm
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4.
Ratio
Simplify: 6:6:4
Answer: 3:3:2
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5.
Statistics
Calculate the mean of: 29, 32, 18, 40, 35, 48, 49. Give your answer to 2 decimal places
Answer: 35.86
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1.
Number
Write 0.000031 in standard form
Answer: 3.1 × 10-5
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2.
Algebra
Factorise: x² + 14x + 33
Answer: (x + 11)(x + 3)
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3.
Geometry
Adjacent = 21cm, angle = 33°. Find opposite. Give your answer to 2 decimal places
Answer: 13.64cm
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4.
Ratio
Express the first part of 12:7 as a fraction in simplest form
Answer: 12⁄19
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5.
Statistics
Calculate the mean of: 38, 39, 8, 50, 36, 36, 32. Give your answer to 2 decimal places
Answer: 34.14
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1.
Number
Write 610,000,000 in standard form
Answer: 6.1 × 108
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2.
Algebra
Factorise: x² - x - 56
Answer: (x + 7)(x - 8)
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3.
Geometry
Hypotenuse = 31cm, angle = 27°. Find adjacent side. Give your answer to 2 decimal places
Answer: 27.62cm
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4.
Ratio
Divide 116 in the ratio 1:2:1
Answer: 29, 58 and 29
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5.
Statistics
The mean of 5 numbers is 34. If 4 of them are 33, 45, 18, 39, what is the missing number?
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1.
Number
Write 420,000 in standard form
Answer: 4.2 × 105
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2.
Algebra
Factorise: x² - x - 90
Answer: (x + 9)(x - 10)
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3.
Geometry
Hypotenuse = 25cm, angle = 53°. Find adjacent side. Give your answer to 2 decimal places
Answer: 15.05cm
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4.
Ratio
In ratio 5:12:7, what fraction is the first part?
Answer: 5⁄24
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5.
Statistics
Calculate the mean of: 31, 16, 42, 6, 37, 32. Give your answer to 2 decimal places
Answer: 27.33