Change pack
Lintel
May 22 - 28
25 questions
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1.
Number
Write 9,300,000 in standard form
Answer: 9.3 × 106
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2.
Algebra
Factorise: x² - 11x + 24
Answer: (x - 3)(x - 8)
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3.
Geometry
Adjacent = 23cm, angle = 47°. Find opposite. Give your answer to 2 decimal places
Answer: 24.66cm
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4.
Ratio
In ratio 7:5:10, what fraction is the first part?
Answer: 7⁄22
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5.
Statistics
Calculate the mean of: 24, 48, 23, 14, 9, 10, 17. Give your answer to 2 decimal places
Answer: 20.71
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1.
Number
Write 0.016 in standard form
Answer: 1.6 × 10-2
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2.
Algebra
Factorise: x² - 5x - 24
Answer: (x + 3)(x - 8)
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3.
Geometry
Hypotenuse = 29cm, angle = 52°. Find adjacent side. Give your answer to 2 decimal places
Answer: 17.85cm
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4.
Ratio
Simplify the ratio 3 hours : 10 minutes
Answer: 18:1
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5.
Statistics
The mean of 4 numbers is 22. If 3 of them are 23, 16, 25, what is the missing number?
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1.
Number
Write 0.0044 in standard form
Answer: 4.4 × 10-3
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2.
Algebra
Factorise: x² - 4x - 32
Answer: (x + 4)(x - 8)
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3.
Geometry
Hypotenuse = 15cm, angle = 35°. Find adjacent side. Give your answer to 2 decimal places
Answer: 12.29cm
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4.
Ratio
Black and white sweets are in the ratio 7:8. What fraction of the sweets are black?
Answer: 7⁄15
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5.
Statistics
Calculate the mean of: 16, 46, 36, 39, 22, 22, 6, 18. Give your answer to 2 decimal places
Answer: 25.63
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1.
Number
Write 460,000,000 in standard form
Answer: 4.6 × 108
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2.
Algebra
Factorise: x² + 2x - 3
Answer: (x + 3)(x - 1)
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3.
Geometry
Adjacent = 18cm, angle = 54°. Find opposite. Give your answer to 2 decimal places
Answer: 24.77cm
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4.
Ratio
Simplify: 4:4:12
Answer: 1:1:3
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5.
Statistics
The mean of 4 numbers is 26. If 3 of them are 24, 16, 49, what is the missing number?
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1.
Number
Write 0.0048 in standard form
Answer: 4.8 × 10-3
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2.
Algebra
Factorise: x² + 7x - 44
Answer: (x + 11)(x - 4)
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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
Divide 220 in the ratio 4:3:4
Answer: 80, 60 and 80
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5.
Statistics
The mean of 5 numbers is 28. If 4 of them are 17, 39, 15, 42, what is the missing number?