Change pack
Lintel
Apr 21 - 27
25 questions
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1.
Number
Write 450,000 in standard form
Answer: 4.5 × 105
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2.
Algebra
Factorise: x² + x - 42
Answer: (x + 7)(x - 6)
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3.
Geometry
Adjacent = 19cm, angle = 57°. Find opposite. Give your answer to 2 decimal places
Answer: 29.26cm
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4.
Ratio
Simplify the ratio 1 hour : 45 minutes
Answer: 4:3
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5.
Statistics
The mean of 4 numbers is 27. If 3 of them are 15, 45, 23, what is the missing number?
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1.
Number
Write 0.000012 in standard form
Answer: 1.2 × 10-5
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2.
Algebra
Factorise: x² - x - 42
Answer: (x + 6)(x - 7)
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3.
Geometry
Hypotenuse = 15cm, angle = 38°. Find adjacent side. Give your answer to 2 decimal places
Answer: 11.82cm
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4.
Ratio
Simplify the ratio kg : 250g
Answer: 4:1
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5.
Statistics
The mean of 6 numbers is 25. If 5 of them are 22, 21, 33, 18, 40, what is the missing number?
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1.
Number
Write 610,000,000 in standard form
Answer: 6.1 × 108
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2.
Algebra
Factorise: x² + 12x + 11
Answer: (x + 11)(x + 1)
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3.
Geometry
Adjacent = 26cm, angle = 39°. Find opposite. Give your answer to 2 decimal places
Answer: 21.05cm
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4.
Ratio
In ratio 10:12:5, what fraction is the third part?
Answer: 5⁄27
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5.
Statistics
Calculate the mean of: 28, 5, 43, 7, 22, 5, 6. Give your answer to 2 decimal places
Answer: 16.57
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1.
Number
Write 880,000 in standard form
Answer: 8.8 × 105
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2.
Algebra
Factorise: x² + 16x + 64
Answer: (x + 8)(x + 8)
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3.
Geometry
Adjacent = 24cm, angle = 45°. Find opposite
Answer: 24cm
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4.
Ratio
Express the second part of 14:12 as a fraction in simplest form
Answer: 6⁄13
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5.
Statistics
The mean of 4 numbers is 32. If 3 of them are 27, 35, 27, what is the missing number?
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1.
Number
Write 0.00099 in standard form
Answer: 9.9 × 10-4
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2.
Algebra
Factorise: x² - 2x - 24
Answer: (x + 4)(x - 6)
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3.
Geometry
Hypotenuse = 37cm, angle = 35°. Find adjacent side. Give your answer to 2 decimal places
Answer: 30.31cm
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4.
Ratio
Simplify: 10:6:10
Answer: 5:3:5
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5.
Statistics
Calculate the mean of: 31, 23, 34, 28, 20, 27, 30, 47