Change pack
Lintel
Feb 2 - 8
25 questions
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1.
Number
Write 710,000 in standard form
Answer: 7.1 × 105
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2.
Algebra
Factorise: x² + 6x - 16
Answer: (x + 8)(x - 2)
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3.
Geometry
Hypotenuse = 21cm, angle = 65°. Find adjacent side. Give your answer to 2 decimal places
Answer: 8.87cm
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4.
Ratio
Express the second part of 4:10 as a fraction in simplest form
Answer: 5⁄7
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5.
Statistics
The mean of 5 numbers is 26. If 4 of them are 47, 18, 31, 20, what is the missing number?
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1.
Number
Write 0.037 in standard form
Answer: 3.7 × 10-2
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2.
Algebra
Factorise: x² - 16x + 55
Answer: (x - 5)(x - 11)
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3.
Geometry
Adjacent = 12cm, angle = 33°. Find opposite. Give your answer to 2 decimal places
Answer: 7.79cm
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4.
Ratio
Simplify: 12:9:9
Answer: 4:3:3
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5.
Statistics
Calculate the mean of: 44, 35, 30, 32, 14, 30. Give your answer to 2 decimal places
Answer: 30.83
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1.
Number
Write 0.0097 in standard form
Answer: 9.7 × 10-3
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2.
Algebra
Factorise: x² + 8x + 7
Answer: (x + 7)(x + 1)
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3.
Geometry
Adjacent = 24cm, angle = 54°. Find opposite. Give your answer to 2 decimal places
Answer: 33.03cm
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4.
Ratio
In ratio 7:9:5, what fraction is the first part?
Answer: 1⁄3
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5.
Statistics
The mean of 5 numbers is 31. If 4 of them are 20, 40, 50, 26, what is the missing number?
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1.
Number
Write 97,000,000 in standard form
Answer: 9.7 × 107
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2.
Algebra
Factorise: x² - 5x - 14
Answer: (x + 2)(x - 7)
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3.
Geometry
Hypotenuse = 25cm, angle = 29°. Find adjacent side. Give your answer to 2 decimal places
Answer: 21.87cm
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4.
Ratio
Black, white and yellow beads are in the ratio 3:3:1. What fraction of the beads are white?
Answer: 3⁄7
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5.
Statistics
Calculate the mean of: 21, 34, 10, 39, 6, 42, 45. Give your answer to 2 decimal places
Answer: 28.14
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1.
Number
Write 0.000063 in standard form
Answer: 6.3 × 10-5
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2.
Algebra
Factorise: x² - 6x - 16
Answer: (x + 2)(x - 8)
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3.
Geometry
Adjacent = 20cm, angle = 40°. Find opposite. Give your answer to 2 decimal places
Answer: 16.78cm
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4.
Ratio
Simplify the ratio kg : 550g
Answer: 20:11
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5.
Statistics
Calculate the mean of: 35, 30, 44, 33, 10, 36. Give your answer to 2 decimal places
Answer: 31.33