Change pack
Lintel
Aug 20 - 26
25 questions
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1.
Number
Write 0.0057 in standard form
Answer: 5.7 × 10-3
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2.
Algebra
Factorise: x² - 5x - 14
Answer: (x + 2)(x - 7)
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3.
Geometry
Adjacent = 20cm, angle = 52°. Find opposite. Give your answer to 2 decimal places
Answer: 25.6cm
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4.
Ratio
Divide 207 in the ratio 2:3:4
Answer: 46, 69 and 92
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5.
Statistics
Calculate the mean of: 30, 16, 44, 5, 17, 9. Give your answer to 2 decimal places
Answer: 20.17
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1.
Number
Write 7,500,000 in standard form
Answer: 7.5 × 106
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2.
Algebra
Factorise: x² - 15x + 44
Answer: (x - 4)(x - 11)
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3.
Geometry
Hypotenuse = 32cm, angle = 60°. Find adjacent side
Answer: 16cm
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4.
Ratio
Simplify: 18:15:6
Answer: 6:5:2
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5.
Statistics
The mean of 4 numbers is 36. If 3 of them are 25, 32, 49, what is the missing number?
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1.
Number
Write 0.025 in standard form
Answer: 2.5 × 10-2
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2.
Algebra
Factorise: x² + 10x + 21
Answer: (x + 7)(x + 3)
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3.
Geometry
Adjacent = 14cm, angle = 48°. Find opposite. Give your answer to 2 decimal places
Answer: 15.55cm
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4.
Ratio
Red and blue marbles are in the ratio 11:10. What fraction of the marbles are red?
Answer: 11⁄21
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5.
Statistics
The mean of 6 numbers is 40. If 5 of them are 37, 42, 34, 34, 44, what is the missing number?
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1.
Number
Write 40,000,000 in standard form
Answer: 4 × 107
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2.
Algebra
Factorise: x² - 2x - 3
Answer: (x + 1)(x - 3)
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3.
Geometry
Hypotenuse = 21cm, angle = 56°. Find adjacent side. Give your answer to 2 decimal places
Answer: 11.74cm
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4.
Ratio
Express the second part of 7:4 as a fraction in simplest form
Answer: 4⁄11
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5.
Statistics
Calculate the mean of: 27, 37, 30, 16, 8, 20, 27. Give your answer to 2 decimal places
Answer: 23.57
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1.
Number
Write 51,000 in standard form
Answer: 5.1 × 104
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2.
Algebra
Factorise: x² - 3x - 70
Answer: (x + 7)(x - 10)
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3.
Geometry
Hypotenuse = 28cm, angle = 59°. Find adjacent side. Give your answer to 2 decimal places
Answer: 14.42cm
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4.
Ratio
Simplify the ratio 4kg : 850g
Answer: 80:17
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5.
Statistics
The mean of 4 numbers is 28. If 3 of them are 19, 37, 33, what is the missing number?