Change pack
Lintel
Jul 21 - 27
25 questions
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1.
Number
Write 660,000,000 in standard form
Answer: 6.6 × 108
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2.
Algebra
Factorise: x² - x - 6
Answer: (x + 2)(x - 3)
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3.
Geometry
Hypotenuse = 19cm, angle = 44°. Find adjacent side. Give your answer to 2 decimal places
Answer: 13.67cm
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4.
Ratio
Divide 105 in the ratio 3:3:1
Answer: 45, 45 and 15
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5.
Statistics
The mean of 4 numbers is 37. If 3 of them are 36, 32, 48, what is the missing number?
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1.
Number
Write 0.00009 in standard form
Answer: 9 × 10-5
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2.
Algebra
Factorise: x² - x - 72
Answer: (x + 8)(x - 9)
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3.
Geometry
Adjacent = 21cm, angle = 37°. Find opposite. Give your answer to 2 decimal places
Answer: 15.82cm
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4.
Ratio
Simplify: 4:12:8
Answer: 1:3:2
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5.
Statistics
The mean of 5 numbers is 28. If 4 of them are 17, 27, 32, 30, what is the missing number?
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1.
Number
Write 75,000 in standard form
Answer: 7.5 × 104
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2.
Algebra
Factorise: x² + 2x - 8
Answer: (x + 4)(x - 2)
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3.
Geometry
Hypotenuse = 40cm, angle = 53°. Find adjacent side. Give your answer to 2 decimal places
Answer: 24.07cm
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4.
Ratio
Divide 72 in the ratio 1:2:3
Answer: 12, 24 and 36
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5.
Statistics
Calculate the mean of: 38, 50, 10, 42, 16, 24, 29. Give your answer to 2 decimal places
Answer: 29.86
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1.
Number
Write 57,000,000 in standard form
Answer: 5.7 × 107
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2.
Algebra
Factorise: x² - 20x + 96
Answer: (x - 8)(x - 12)
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3.
Geometry
Hypotenuse = 39cm, angle = 33°. Find adjacent side. Give your answer to 2 decimal places
Answer: 32.71cm
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4.
Ratio
Orange, purple and pink marbles are in the ratio 2:2:3. What fraction of the marbles are purple?
Answer: 2⁄7
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5.
Statistics
The mean of 5 numbers is 26. If 4 of them are 22, 36, 45, 22, what is the missing number?
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1.
Number
Write 0.000019 in standard form
Answer: 1.9 × 10-5
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2.
Algebra
Factorise: x² + 3x - 28
Answer: (x + 7)(x - 4)
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3.
Geometry
Adjacent = 26cm, angle = 46°. Find opposite. Give your answer to 2 decimal places
Answer: 26.92cm
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4.
Ratio
£238.00 is shared between A and B in the ratio 4:3. How much does A receive?
Answer: £136.00
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5.
Statistics
Calculate the mean of: 16, 28, 49, 45, 26, 36, 31