Change pack
Lintel
Jul 30 - Aug 5
25 questions
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1.
Number
Write 0.0053 in standard form
Answer: 5.3 × 10-3
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2.
Algebra
Factorise: x² + 15x + 54
Answer: (x + 9)(x + 6)
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3.
Geometry
Adjacent = 30cm, angle = 30°. Find opposite. Give your answer to 2 decimal places
Answer: 17.32cm
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4.
Ratio
Orange, purple and pink sweets are in the ratio 6:9:10. What fraction of the sweets are purple?
Answer: 9⁄25
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5.
Statistics
Calculate the mean of: 34, 32, 20, 23, 26, 43, 32, 6
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1.
Number
Write 46,000 in standard form
Answer: 4.6 × 104
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2.
Algebra
Factorise: x² + 2x - 35
Answer: (x + 7)(x - 5)
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3.
Geometry
Hypotenuse = 31cm, angle = 48°. Find adjacent side. Give your answer to 2 decimal places
Answer: 20.74cm
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4.
Ratio
Red, blue and green counters are in the ratio 7:9:8. What fraction of the counters are green?
Answer: 1⁄3
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5.
Statistics
The mean of 5 numbers is 38. If 4 of them are 50, 16, 40, 32, what is the missing number?
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1.
Number
Write 0.0094 in standard form
Answer: 9.4 × 10-3
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2.
Algebra
Factorise: x² + 2x - 120
Answer: (x + 12)(x - 10)
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3.
Geometry
Hypotenuse = 25cm, angle = 48°. Find adjacent side. Give your answer to 2 decimal places
Answer: 16.73cm
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4.
Ratio
Divide 50 in the ratio 1:3:1
Answer: 10, 30 and 10
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5.
Statistics
Calculate the mean of: 30, 49, 16, 48, 37, 21, 31. Give your answer to 2 decimal places
Answer: 33.14
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1.
Number
Write 41,000,000 in standard form
Answer: 4.1 × 107
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2.
Algebra
Factorise: x² - 14x + 49
Answer: (x - 7)(x - 7)
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3.
Geometry
Adjacent = 12cm, angle = 58°. Find opposite. Give your answer to 2 decimal places
Answer: 19.2cm
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4.
Ratio
Simplify: 8:8:16
Answer: 1:1:2
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5.
Statistics
Calculate the mean of: 8, 32, 48, 26, 38, 5. Give your answer to 2 decimal places
Answer: 26.17
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1.
Number
Write 0.000049 in standard form
Answer: 4.9 × 10-5
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2.
Algebra
Factorise: x² - 2x - 63
Answer: (x + 7)(x - 9)
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3.
Geometry
Hypotenuse = 20cm, angle = 40°. Find adjacent side. Give your answer to 2 decimal places
Answer: 15.32cm
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4.
Ratio
Express the first part of 9:13 as a fraction in simplest form
Answer: 9⁄22
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5.
Statistics
The mean of 4 numbers is 28. If 3 of them are 29, 42, 15, what is the missing number?