Change pack
Lintel
Dec 5 - 11
25 questions
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1.
Number
Write 740,000 in standard form
Answer: 7.4 × 105
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2.
Algebra
Factorise: x² + 10x + 21
Answer: (x + 7)(x + 3)
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3.
Geometry
Hypotenuse = 15cm, angle = 57°. Find adjacent side. Give your answer to 2 decimal places
Answer: 8.17cm
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4.
Ratio
Simplify: 9:12:9
Answer: 3:4:3
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5.
Statistics
The mean of 4 numbers is 38. If 3 of them are 23, 30, 42, what is the missing number?
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1.
Number
Write 0.000039 in standard form
Answer: 3.9 × 10-5
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2.
Algebra
Factorise: x² + 8x + 16
Answer: (x + 4)(x + 4)
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3.
Geometry
Adjacent = 10cm, angle = 56°. Find opposite. Give your answer to 2 decimal places
Answer: 14.83cm
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4.
Ratio
Express the first part of 4:7 as a fraction in simplest form
Answer: 4⁄11
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5.
Statistics
The mean of 4 numbers is 20. If 3 of them are 23, 20, 20, what is the missing number?
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1.
Number
Write 110,000,000 in standard form
Answer: 1.1 × 108
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2.
Algebra
Factorise: x² + 4x - 60
Answer: (x + 10)(x - 6)
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3.
Geometry
Hypotenuse = 29cm, angle = 64°. Find adjacent side. Give your answer to 2 decimal places
Answer: 12.71cm
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4.
Ratio
Divide 64 in the ratio 2:1:1
Answer: 32, 16 and 16
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5.
Statistics
Calculate the mean of: 35, 33, 48, 47, 49, 38, 29, 37
Answer: 39.5
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1.
Number
Write 78,000,000 in standard form
Answer: 7.8 × 107
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2.
Algebra
Factorise: x² - 3x - 70
Answer: (x + 7)(x - 10)
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3.
Geometry
Hypotenuse = 28cm, angle = 44°. Find adjacent side. Give your answer to 2 decimal places
Answer: 20.14cm
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4.
Ratio
Simplify: 12:4:12
Answer: 3:1:3
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5.
Statistics
Calculate the mean of: 50, 7, 31, 45, 5, 41, 16. Give your answer to 2 decimal places
Answer: 27.86
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1.
Number
Write 0.00064 in standard form
Answer: 6.4 × 10-4
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2.
Algebra
Factorise: x² + 10x + 16
Answer: (x + 8)(x + 2)
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3.
Geometry
Adjacent = 10cm, angle = 54°. Find opposite. Give your answer to 2 decimal places
Answer: 13.76cm
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4.
Ratio
Divide 90 in the ratio 3:1:1
Answer: 54, 18 and 18
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5.
Statistics
The mean of 4 numbers is 31. If 3 of them are 36, 15, 36, what is the missing number?