Change pack
Lintel
Dec 2 - 8
25 questions
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1.
Number
Write 5,200,000 in standard form
Answer: 5.2 × 106
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2.
Algebra
Factorise: x² - 23x + 132
Answer: (x - 11)(x - 12)
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3.
Geometry
Adjacent = 30cm, angle = 47°. Find opposite. Give your answer to 2 decimal places
Answer: 32.17cm
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4.
Ratio
Divide 90 in the ratio 2:3:4
Answer: 20, 30 and 40
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5.
Statistics
The mean of 5 numbers is 29. If 4 of them are 20, 47, 30, 31, what is the missing number?
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1.
Number
Write 0.0051 in standard form
Answer: 5.1 × 10-3
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2.
Algebra
Factorise: x² - 6x - 27
Answer: (x + 3)(x - 9)
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3.
Geometry
Hypotenuse = 25cm, angle = 28°. Find adjacent side. Give your answer to 2 decimal places
Answer: 22.07cm
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4.
Ratio
Divide 96 in the ratio 2:3:1
Answer: 32, 48 and 16
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5.
Statistics
Calculate the mean of: 9, 19, 19, 27, 46, 28, 22. Give your answer to 2 decimal places
Answer: 24.29
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1.
Number
Write 0.000085 in standard form
Answer: 8.5 × 10-5
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2.
Algebra
Factorise: x² - x - 56
Answer: (x + 7)(x - 8)
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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
Simplify the ratio 5kg : 300g
Answer: 50:3
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5.
Statistics
The mean of 4 numbers is 39. If 3 of them are 41, 39, 16, what is the missing number?
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1.
Number
Write 42,000 in standard form
Answer: 4.2 × 104
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2.
Algebra
Factorise: x² - 4x - 21
Answer: (x + 3)(x - 7)
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3.
Geometry
Adjacent = 10cm, angle = 60°. Find opposite. Give your answer to 2 decimal places
Answer: 17.32cm
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4.
Ratio
Black, white and yellow counters are in the ratio 1:1:11. What fraction of the counters are yellow?
Answer: 11⁄13
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5.
Statistics
Calculate the mean of: 41, 39, 46, 30, 35, 44, 24, 17
Answer: 34.5
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1.
Number
Write 0.00069 in standard form
Answer: 6.9 × 10-4
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2.
Algebra
Factorise: x² + 8x + 15
Answer: (x + 5)(x + 3)
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3.
Geometry
Hypotenuse = 33cm, angle = 26°. Find adjacent side. Give your answer to 2 decimal places
Answer: 29.66cm
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4.
Ratio
Simplify the ratio kg : 600g
Answer: 5:3
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5.
Statistics
Calculate the mean of: 37, 9, 18, 42, 25, 41, 17, 45
Answer: 29.25