Change pack
Lintel
Aug 8 - 14
25 questions
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1.
Number
Write 0.017 in standard form
Answer: 1.7 × 10-2
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2.
Algebra
Factorise: x² - x - 20
Answer: (x + 4)(x - 5)
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3.
Geometry
Hypotenuse = 29cm, angle = 57°. Find adjacent side. Give your answer to 2 decimal places
Answer: 15.79cm
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4.
Ratio
Orange and purple sweets are in the ratio 13:9. What fraction of the sweets are orange?
Answer: 13⁄22
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5.
Statistics
The mean of 6 numbers is 40. If 5 of them are 50, 18, 35, 21, 46, what is the missing number?
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1.
Number
Write 38,000,000 in standard form
Answer: 3.8 × 107
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2.
Algebra
Factorise: x² - 4x + 3
Answer: (x - 1)(x - 3)
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3.
Geometry
Adjacent = 27cm, angle = 37°. Find opposite. Give your answer to 2 decimal places
Answer: 20.35cm
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4.
Ratio
Express the second part of 3:13 as a fraction in simplest form
Answer: 13⁄16
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5.
Statistics
Calculate the mean of: 8, 21, 7, 26, 9, 11. Give your answer to 2 decimal places
Answer: 13.67
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1.
Number
Write 7,100,000 in standard form
Answer: 7.1 × 106
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2.
Algebra
Factorise: x² - 17x + 72
Answer: (x - 8)(x - 9)
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3.
Geometry
Hypotenuse = 38cm, angle = 49°. Find adjacent side. Give your answer to 2 decimal places
Answer: 24.93cm
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4.
Ratio
Orange and purple marbles are in the ratio 13:9. What fraction of the marbles are orange?
Answer: 13⁄22
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5.
Statistics
Calculate the mean of: 5, 46, 10, 19, 33, 44, 42. Give your answer to 2 decimal places
Answer: 28.43
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1.
Number
Write 0.000097 in standard form
Answer: 9.7 × 10-5
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2.
Algebra
Factorise: x² + x - 90
Answer: (x + 10)(x - 9)
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3.
Geometry
Adjacent = 14cm, angle = 38°. Find opposite. Give your answer to 2 decimal places
Answer: 10.94cm
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4.
Ratio
Divide 220 in the ratio 3:4:3
Answer: 66, 88 and 66
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5.
Statistics
The mean of 6 numbers is 36. If 5 of them are 43, 33, 32, 23, 34, what is the missing number?
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1.
Number
Write 840,000 in standard form
Answer: 8.4 × 105
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2.
Algebra
Factorise: x² + 6x - 7
Answer: (x + 7)(x - 1)
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3.
Geometry
Hypotenuse = 16cm, angle = 41°. Find adjacent side. Give your answer to 2 decimal places
Answer: 12.08cm
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4.
Ratio
Express the first part of 2:4 as a fraction in simplest form
Answer: 1⁄3
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5.
Statistics
The mean of 5 numbers is 38. If 4 of them are 45, 40, 39, 43, what is the missing number?