Change pack
Lintel
Jan 10 - 16
25 questions
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1.
Number
Write 970,000,000 in standard form
Answer: 9.7 × 108
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2.
Algebra
Factorise: x² - 8x + 7
Answer: (x - 1)(x - 7)
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3.
Geometry
Hypotenuse = 18cm, angle = 57°. Find adjacent side. Give your answer to 2 decimal places
Answer: 9.8cm
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4.
Ratio
Orange, purple and pink sweets are in the ratio 9:12:7. What fraction of the sweets are orange?
Answer: 9⁄28
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5.
Statistics
The mean of 4 numbers is 32. If 3 of them are 50, 28, 37, what is the missing number?
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1.
Number
Write 0.000072 in standard form
Answer: 7.2 × 10-5
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2.
Algebra
Factorise: x² + 5x - 24
Answer: (x + 8)(x - 3)
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3.
Geometry
Adjacent = 27cm, angle = 45°. Find opposite
Answer: 27cm
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4.
Ratio
In ratio 8:6:3, what fraction is the first part?
Answer: 8⁄17
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5.
Statistics
Calculate the mean of: 5, 43, 30, 10, 12, 20, 21. Give your answer to 2 decimal places
Answer: 20.14
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1.
Number
Write 8,600,000 in standard form
Answer: 8.6 × 106
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2.
Algebra
Factorise: x² + 3x - 10
Answer: (x + 5)(x - 2)
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3.
Geometry
Hypotenuse = 16cm, angle = 29°. Find adjacent side. Give your answer to 2 decimal places
Answer: 13.99cm
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4.
Ratio
Simplify the ratio 3m : 30cm
Answer: 10:1
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5.
Statistics
Calculate the mean of: 37, 36, 20, 31, 12, 36, 24, 20
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1.
Number
Write 0.072 in standard form
Answer: 7.2 × 10-2
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2.
Algebra
Factorise: x² + 6x - 55
Answer: (x + 11)(x - 5)
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3.
Geometry
Adjacent = 24cm, angle = 32°. Find opposite. Give your answer to 2 decimal places
Answer: 15cm
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4.
Ratio
Black, white and yellow marbles are in the ratio 12:11:1. What fraction of the marbles are black?
Answer: 1⁄2
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5.
Statistics
The mean of 6 numbers is 25. If 5 of them are 46, 15, 16, 32, 16, what is the missing number?
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1.
Number
Write 0.0069 in standard form
Answer: 6.9 × 10-3
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2.
Algebra
Factorise: x² - x - 30
Answer: (x + 5)(x - 6)
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3.
Geometry
Adjacent = 29cm, angle = 56°. Find opposite. Give your answer to 2 decimal places
Answer: 42.99cm
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4.
Ratio
Simplify: 20:24:8
Answer: 5:6:2
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5.
Statistics
Calculate the mean of: 41, 16, 50, 46, 45, 31. Give your answer to 2 decimal places
Answer: 38.17