Change pack
Lintel
Mar 17 - 23
25 questions
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1.
Number
Write 73,000 in standard form
Answer: 7.3 × 104
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2.
Algebra
Factorise: x² - 12x + 32
Answer: (x - 4)(x - 8)
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3.
Geometry
Hypotenuse = 38cm, angle = 55°. Find adjacent side. Give your answer to 2 decimal places
Answer: 21.8cm
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4.
Ratio
Simplify the ratio £6 : 50p
Answer: 12:1
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5.
Statistics
The mean of 4 numbers is 24. If 3 of them are 31, 17, 28, what is the missing number?
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1.
Number
Write 88,000 in standard form
Answer: 8.8 × 104
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2.
Algebra
Factorise: x² + 10x - 11
Answer: (x + 11)(x - 1)
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3.
Geometry
Hypotenuse = 24cm, angle = 38°. Find adjacent side. Give your answer to 2 decimal places
Answer: 18.91cm
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4.
Ratio
Simplify the ratio 5 hours : 55 minutes
Answer: 60:11
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5.
Statistics
The mean of 6 numbers is 30. If 5 of them are 26, 31, 25, 41, 48, what is the missing number?
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1.
Number
Write 0.013 in standard form
Answer: 1.3 × 10-2
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2.
Algebra
Factorise: x² - 4x - 5
Answer: (x + 1)(x - 5)
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3.
Geometry
Adjacent = 14cm, angle = 45°. Find opposite
Answer: 14cm
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4.
Ratio
Red, blue and green sweets are in the ratio 1:1:5. What fraction of the sweets are green?
Answer: 5⁄7
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5.
Statistics
Calculate the mean of: 32, 31, 18, 25, 7, 22
Answer: 22.5
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1.
Number
Write 490,000,000 in standard form
Answer: 4.9 × 108
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2.
Algebra
Factorise: x² + 8x - 20
Answer: (x + 10)(x - 2)
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3.
Geometry
Hypotenuse = 39cm, angle = 40°. Find adjacent side. Give your answer to 2 decimal places
Answer: 29.88cm
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4.
Ratio
£235.00 is shared between A and B in the ratio 2:3. How much does A receive?
Answer: £94.00
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5.
Statistics
The mean of 5 numbers is 29. If 4 of them are 41, 23, 42, 16, what is the missing number?
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1.
Number
Write 0.000021 in standard form
Answer: 2.1 × 10-5
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2.
Algebra
Factorise: x² - 12x + 35
Answer: (x - 5)(x - 7)
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3.
Geometry
Adjacent = 18cm, angle = 32°. Find opposite. Give your answer to 2 decimal places
Answer: 11.25cm
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4.
Ratio
In ratio 4:6:2, what fraction is the third part?
Answer: 1⁄6
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5.
Statistics
Calculate the mean of: 6, 20, 19, 10, 44, 10. Give your answer to 2 decimal places
Answer: 18.17