Change pack
Lintel
Oct 3 - 9
25 questions
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1.
Number
Write 0.0077 in standard form
Answer: 7.7 × 10-3
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2.
Algebra
Factorise: x² - 12x + 27
Answer: (x - 3)(x - 9)
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3.
Geometry
Hypotenuse = 27cm, angle = 37°. Find adjacent side. Give your answer to 2 decimal places
Answer: 21.56cm
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4.
Ratio
Simplify the ratio 4 hours : 45 minutes
Answer: 16:3
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5.
Statistics
The mean of 4 numbers is 31. If 3 of them are 24, 32, 34, what is the missing number?
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1.
Number
Write 0.000079 in standard form
Answer: 7.9 × 10-5
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2.
Algebra
Factorise: x² + 5x - 24
Answer: (x + 8)(x - 3)
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3.
Geometry
Hypotenuse = 32cm, angle = 64°. Find adjacent side. Give your answer to 2 decimal places
Answer: 14.03cm
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4.
Ratio
Divide 80 in the ratio 1:4:3
Answer: 10, 40 and 30
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5.
Statistics
Calculate the mean of: 42, 15, 12, 23, 32, 9, 45, 29. Give your answer to 2 decimal places
Answer: 25.88
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1.
Number
Write 410,000,000 in standard form
Answer: 4.1 × 108
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2.
Algebra
Factorise: x² + x - 90
Answer: (x + 10)(x - 9)
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3.
Geometry
Adjacent = 10cm, angle = 44°. Find opposite. Give your answer to 2 decimal places
Answer: 9.66cm
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4.
Ratio
Simplify: 9:6:15
Answer: 3:2:5
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5.
Statistics
The mean of 6 numbers is 33. If 5 of them are 33, 33, 43, 26, 29, what is the missing number?
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1.
Number
Write 0.000039 in standard form
Answer: 3.9 × 10-5
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2.
Algebra
Factorise: x² + 5x - 6
Answer: (x + 6)(x - 1)
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3.
Geometry
Hypotenuse = 27cm, angle = 60°. Find adjacent side
Answer: 13.5cm
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4.
Ratio
Express the second part of 8:15 as a fraction in simplest form
Answer: 15⁄23
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5.
Statistics
The mean of 5 numbers is 33. If 4 of them are 16, 38, 34, 22, what is the missing number?
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1.
Number
Write 5,300,000 in standard form
Answer: 5.3 × 106
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2.
Algebra
Factorise: x² + 22x + 120
Answer: (x + 12)(x + 10)
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3.
Geometry
Adjacent = 19cm, angle = 30°. Find opposite. Give your answer to 2 decimal places
Answer: 10.97cm
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4.
Ratio
Simplify: 6:15:18
Answer: 2:5:6
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5.
Statistics
Calculate the mean of: 49, 30, 41, 37, 19, 43, 31, 6