Change pack
Lintel
Apr 14 - 20
25 questions
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1.
Number
Write 7,300,000 in standard form
Answer: 7.3 × 106
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2.
Algebra
Factorise: x² - x - 56
Answer: (x + 7)(x - 8)
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3.
Geometry
Adjacent = 11cm, angle = 56°. Find opposite. Give your answer to 2 decimal places
Answer: 16.31cm
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4.
Ratio
Black, white and yellow counters are in the ratio 11:9:6. What fraction of the counters are yellow?
Answer: 3⁄13
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5.
Statistics
Calculate the mean of: 21, 31, 14, 21, 31, 34, 35, 19
Answer: 25.75
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1.
Number
Write 0.000091 in standard form
Answer: 9.1 × 10-5
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2.
Algebra
Factorise: x² + 7x - 60
Answer: (x + 12)(x - 5)
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3.
Geometry
Hypotenuse = 29cm, angle = 48°. Find adjacent side. Give your answer to 2 decimal places
Answer: 19.4cm
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4.
Ratio
Black, white and yellow beads are in the ratio 8:4:10. What fraction of the beads are yellow?
Answer: 5⁄11
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5.
Statistics
The mean of 6 numbers is 32. If 5 of them are 33, 30, 35, 46, 15, what is the missing number?
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1.
Number
Write 190,000,000 in standard form
Answer: 1.9 × 108
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2.
Algebra
Factorise: x² + 3x - 54
Answer: (x + 9)(x - 6)
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3.
Geometry
Adjacent = 24cm, angle = 37°. Find opposite. Give your answer to 2 decimal places
Answer: 18.09cm
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4.
Ratio
In ratio 2:6:12, what fraction is the second part?
Answer: 3⁄10
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5.
Statistics
The mean of 6 numbers is 28. If 5 of them are 18, 20, 36, 45, 18, what is the missing number?
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1.
Number
Write 0.0045 in standard form
Answer: 4.5 × 10-3
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2.
Algebra
Factorise: x² - 3x - 40
Answer: (x + 5)(x - 8)
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3.
Geometry
Hypotenuse = 25cm, angle = 32°. Find adjacent side. Give your answer to 2 decimal places
Answer: 21.2cm
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4.
Ratio
Red, blue and green beads are in the ratio 12:12:10. What fraction of the beads are green?
Answer: 5⁄17
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5.
Statistics
Calculate the mean of: 32, 43, 25, 18, 41, 10. Give your answer to 2 decimal places
Answer: 28.17
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1.
Number
Write 0.000052 in standard form
Answer: 5.2 × 10-5
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2.
Algebra
Factorise: x² - 4x - 45
Answer: (x + 5)(x - 9)
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3.
Geometry
Hypotenuse = 31cm, angle = 64°. Find adjacent side. Give your answer to 2 decimal places
Answer: 13.59cm
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4.
Ratio
Simplify the ratio 8m : 25cm
Answer: 32:1
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5.
Statistics
Calculate the mean of: 32, 39, 12, 46, 47, 34, 50. Give your answer to 2 decimal places
Answer: 37.14