Change pack
Lintel
Aug 13 - 19
25 questions
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1.
Number
Write 950,000,000 in standard form
Answer: 9.5 × 108
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2.
Algebra
Factorise: x² + 9x - 10
Answer: (x + 10)(x - 1)
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3.
Geometry
Hypotenuse = 22cm, angle = 42°. Find adjacent side. Give your answer to 2 decimal places
Answer: 16.35cm
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4.
Ratio
In ratio 12:11:4, what fraction is the first part?
Answer: 4⁄9
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5.
Statistics
The mean of 5 numbers is 29. If 4 of them are 39, 33, 22, 42, what is the missing number?
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1.
Number
Write 57,000 in standard form
Answer: 5.7 × 104
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2.
Algebra
Factorise: x² + 18x + 77
Answer: (x + 11)(x + 7)
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3.
Geometry
Hypotenuse = 21cm, angle = 41°. Find adjacent side. Give your answer to 2 decimal places
Answer: 15.85cm
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4.
Ratio
Divide 112 in the ratio 2:4:1
Answer: 32, 64 and 16
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5.
Statistics
Calculate the mean of: 12, 32, 37, 47, 5, 9, 22. Give your answer to 2 decimal places
Answer: 23.43
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1.
Number
Write 0.0067 in standard form
Answer: 6.7 × 10-3
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2.
Algebra
Factorise: x² + x - 6
Answer: (x + 3)(x - 2)
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3.
Geometry
Adjacent = 29cm, angle = 32°. Find opposite. Give your answer to 2 decimal places
Answer: 18.12cm
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4.
Ratio
Express the second part of 6:7 as a fraction in simplest form
Answer: 7⁄13
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5.
Statistics
The mean of 6 numbers is 37. If 5 of them are 43, 20, 15, 49, 29, what is the missing number?
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1.
Number
Write 69,000,000 in standard form
Answer: 6.9 × 107
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2.
Algebra
Factorise: x² - 4x - 5
Answer: (x + 1)(x - 5)
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3.
Geometry
Hypotenuse = 21cm, angle = 38°. Find adjacent side. Give your answer to 2 decimal places
Answer: 16.55cm
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4.
Ratio
Express the second part of 4:5 as a fraction in simplest form
Answer: 5⁄9
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5.
Statistics
The mean of 4 numbers is 38. If 3 of them are 40, 21, 46, what is the missing number?
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1.
Number
Write 0.0012 in standard form
Answer: 1.2 × 10-3
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2.
Algebra
Factorise: x² + 2x - 35
Answer: (x + 7)(x - 5)
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3.
Geometry
Adjacent = 20cm, angle = 56°. Find opposite. Give your answer to 2 decimal places
Answer: 29.65cm
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4.
Ratio
Express the second part of 9:3 as a fraction in simplest form
Answer: 1⁄4
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5.
Statistics
Calculate the mean of: 14, 35, 5, 38, 18, 19
Answer: 21.5