Change pack
Lintel
Sep 7 - 13
25 questions
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1.
Number
Write 37,000 in standard form
Answer: 3.7 × 104
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2.
Algebra
Factorise: x² - 5x - 36
Answer: (x + 4)(x - 9)
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3.
Geometry
Adjacent = 13cm, angle = 44°. Find opposite. Give your answer to 2 decimal places
Answer: 12.55cm
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4.
Ratio
Simplify: 6:4:10
Answer: 3:2:5
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5.
Statistics
Calculate the mean of: 23, 23, 20, 33, 19, 29, 5. Give your answer to 2 decimal places
Answer: 21.71
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1.
Number
Write 60,000 in standard form
Answer: 6 × 104
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2.
Algebra
Factorise: x² + 3x - 4
Answer: (x + 4)(x - 1)
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3.
Geometry
Adjacent = 22cm, angle = 58°. Find opposite. Give your answer to 2 decimal places
Answer: 35.21cm
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4.
Ratio
Orange and purple beads are in the ratio 2:7. What fraction of the beads are purple?
Answer: 7⁄9
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5.
Statistics
Calculate the mean of: 15, 27, 47, 20, 35, 23, 38. Give your answer to 2 decimal places
Answer: 29.29
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1.
Number
Write 0.000027 in standard form
Answer: 2.7 × 10-5
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2.
Algebra
Factorise: x² + 13x + 36
Answer: (x + 9)(x + 4)
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3.
Geometry
Hypotenuse = 26cm, angle = 50°. Find adjacent side. Give your answer to 2 decimal places
Answer: 16.71cm
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4.
Ratio
Red, blue and green counters are in the ratio 7:6:8. What fraction of the counters are red?
Answer: 1⁄3
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5.
Statistics
The mean of 4 numbers is 33. If 3 of them are 41, 36, 27, what is the missing number?
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1.
Number
Write 0.0062 in standard form
Answer: 6.2 × 10-3
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2.
Algebra
Factorise: x² - 22x + 121
Answer: (x - 11)(x - 11)
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3.
Geometry
Adjacent = 16cm, angle = 47°. Find opposite. Give your answer to 2 decimal places
Answer: 17.16cm
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4.
Ratio
Divide 138 in the ratio 1:3:2
Answer: 23, 69 and 46
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5.
Statistics
The mean of 6 numbers is 32. If 5 of them are 40, 36, 35, 32, 34, what is the missing number?
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1.
Number
Write 69,000,000 in standard form
Answer: 6.9 × 107
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2.
Algebra
Factorise: x² - x - 30
Answer: (x + 5)(x - 6)
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3.
Geometry
Hypotenuse = 18cm, angle = 64°. Find adjacent side. Give your answer to 2 decimal places
Answer: 7.89cm
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4.
Ratio
Divide 99 in the ratio 4:3:2
Answer: 44, 33 and 22
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5.
Statistics
Calculate the mean of: 37, 28, 17, 47, 33, 12, 31, 41
Answer: 30.75