Change pack
Lintel
Jan 28 - Feb 3
25 questions
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1.
Number
Write 28,000 in standard form
Answer: 2.8 × 104
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2.
Algebra
Factorise: x² - 4x - 45
Answer: (x + 5)(x - 9)
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3.
Geometry
Adjacent = 28cm, angle = 46°. Find opposite. Give your answer to 2 decimal places
Answer: 28.99cm
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4.
Ratio
Express the first part of 12:6 as a fraction in simplest form
Answer: 2⁄3
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5.
Statistics
Calculate the mean of: 24, 20, 43, 41, 5, 41
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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 - 10x - 24
Answer: (x + 2)(x - 12)
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3.
Geometry
Hypotenuse = 39cm, angle = 52°. Find adjacent side. Give your answer to 2 decimal places
Answer: 24.01cm
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4.
Ratio
Express the second part of 11:14 as a fraction in simplest form
Answer: 14⁄25
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5.
Statistics
The mean of 4 numbers is 33. If 3 of them are 25, 15, 30, what is the missing number?
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1.
Number
Write 0.000078 in standard form
Answer: 7.8 × 10-5
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2.
Algebra
Factorise: x² - 3x - 28
Answer: (x + 4)(x - 7)
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3.
Geometry
Adjacent = 12cm, angle = 55°. Find opposite. Give your answer to 2 decimal places
Answer: 17.14cm
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4.
Ratio
Simplify: 18:9:12
Answer: 6:3:4
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5.
Statistics
The mean of 6 numbers is 30. If 5 of them are 20, 26, 17, 28, 31, what is the missing number?
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1.
Number
Write 180,000,000 in standard form
Answer: 1.8 × 108
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2.
Algebra
Factorise: x² + x - 42
Answer: (x + 7)(x - 6)
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3.
Geometry
Hypotenuse = 28cm, angle = 64°. Find adjacent side. Give your answer to 2 decimal places
Answer: 12.27cm
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4.
Ratio
Simplify: 15:9:15
Answer: 5:3:5
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5.
Statistics
Calculate the mean of: 24, 29, 19, 8, 38, 37, 48, 11
Answer: 26.75
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1.
Number
Write 770,000,000 in standard form
Answer: 7.7 × 108
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2.
Algebra
Factorise: x² + 9x + 18
Answer: (x + 6)(x + 3)
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3.
Geometry
Adjacent = 25cm, angle = 35°. Find opposite. Give your answer to 2 decimal places
Answer: 17.51cm
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4.
Ratio
Simplify: 12:20:20
Answer: 3:5:5
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5.
Statistics
The mean of 6 numbers is 29. If 5 of them are 41, 24, 32, 42, 20, what is the missing number?