Change pack
Lintel
Feb 13 - 19
25 questions
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1.
Number
Write 7,600,000 in standard form
Answer: 7.6 × 106
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2.
Algebra
Factorise: x² + 14x + 33
Answer: (x + 11)(x + 3)
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3.
Geometry
Adjacent = 16cm, angle = 45°. Find opposite
Answer: 16cm
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4.
Ratio
Simplify the ratio 4 hours : 50 minutes
Answer: 24:5
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5.
Statistics
Calculate the mean of: 30, 12, 29, 9, 23, 35, 19. Give your answer to 2 decimal places
Answer: 22.43
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1.
Number
Write 600,000,000 in standard form
Answer: 6 × 108
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2.
Algebra
Factorise: x² + 14x + 24
Answer: (x + 12)(x + 2)
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3.
Geometry
Adjacent = 22cm, angle = 54°. Find opposite. Give your answer to 2 decimal places
Answer: 30.28cm
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4.
Ratio
Express the first part of 11:14 as a fraction in simplest form
Answer: 11⁄25
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5.
Statistics
The mean of 5 numbers is 37. If 4 of them are 40, 47, 17, 21, what is the missing number?
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1.
Number
Write 0.0024 in standard form
Answer: 2.4 × 10-3
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2.
Algebra
Factorise: x² + 5x - 50
Answer: (x + 10)(x - 5)
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3.
Geometry
Hypotenuse = 26cm, angle = 60°. Find adjacent side
Answer: 13cm
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4.
Ratio
Divide 112 in the ratio 2:4:1
Answer: 32, 64 and 16
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5.
Statistics
Calculate the mean of: 33, 8, 41, 10, 11, 29, 43
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1.
Number
Write 190,000,000 in standard form
Answer: 1.9 × 108
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2.
Algebra
Factorise: x² - 2x - 15
Answer: (x + 3)(x - 5)
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3.
Geometry
Adjacent = 25cm, angle = 36°. Find opposite. Give your answer to 2 decimal places
Answer: 18.16cm
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4.
Ratio
Simplify: 4:6:10
Answer: 2:3:5
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5.
Statistics
Calculate the mean of: 36, 9, 22, 17, 45, 44, 27. Give your answer to 2 decimal places
Answer: 28.57
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1.
Number
Write 0.00078 in standard form
Answer: 7.8 × 10-4
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2.
Algebra
Factorise: x² + 18x + 72
Answer: (x + 12)(x + 6)
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3.
Geometry
Hypotenuse = 38cm, angle = 25°. Find adjacent side. Give your answer to 2 decimal places
Answer: 34.44cm
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4.
Ratio
Simplify: 12:6:12
Answer: 2:1:2
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5.
Statistics
The mean of 6 numbers is 36. If 5 of them are 44, 15, 26, 35, 47, what is the missing number?