Change pack
Lintel
Dec 6 - 12
25 questions
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1.
Number
Write 1,600,000 in standard form
Answer: 1.6 × 106
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2.
Algebra
Factorise: x² + 12x + 35
Answer: (x + 7)(x + 5)
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3.
Geometry
Adjacent = 24cm, angle = 32°. Find opposite. Give your answer to 2 decimal places
Answer: 15cm
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4.
Ratio
Orange and purple sweets are in the ratio 12:7. What fraction of the sweets are purple?
Answer: 7⁄19
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5.
Statistics
The mean of 6 numbers is 30. If 5 of them are 27, 19, 34, 25, 26, what is the missing number?
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1.
Number
Write 0.043 in standard form
Answer: 4.3 × 10-2
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2.
Algebra
Factorise: x² + 4x - 60
Answer: (x + 10)(x - 6)
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3.
Geometry
Hypotenuse = 34cm, angle = 46°. Find adjacent side. Give your answer to 2 decimal places
Answer: 23.62cm
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4.
Ratio
Divide 270 in the ratio 4:1:4
Answer: 120, 30 and 120
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5.
Statistics
Calculate the mean of: 20, 15, 27, 49, 20, 44, 10. Give your answer to 2 decimal places
Answer: 26.43
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1.
Number
Write 0.0032 in standard form
Answer: 3.2 × 10-3
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2.
Algebra
Factorise: x² - 3x - 18
Answer: (x + 3)(x - 6)
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3.
Geometry
Hypotenuse = 24cm, angle = 36°. Find adjacent side. Give your answer to 2 decimal places
Answer: 19.42cm
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4.
Ratio
Divide 250 in the ratio 2:1:2
Answer: 100, 50 and 100
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5.
Statistics
Calculate the mean of: 30, 11, 10, 28, 38, 44, 44. Give your answer to 2 decimal places
Answer: 29.29
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1.
Number
Write 58,000 in standard form
Answer: 5.8 × 104
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2.
Algebra
Factorise: x² + 3x - 70
Answer: (x + 10)(x - 7)
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3.
Geometry
Adjacent = 28cm, angle = 58°. Find opposite. Give your answer to 2 decimal places
Answer: 44.81cm
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4.
Ratio
Black and white counters are in the ratio 9:3. What fraction of the counters are black?
Answer: 3⁄4
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5.
Statistics
The mean of 4 numbers is 26. If 3 of them are 19, 19, 33, what is the missing number?
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1.
Number
Write 620,000 in standard form
Answer: 6.2 × 105
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2.
Algebra
Factorise: x² + 15x + 50
Answer: (x + 10)(x + 5)
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3.
Geometry
Hypotenuse = 20cm, angle = 47°. Find adjacent side. Give your answer to 2 decimal places
Answer: 13.64cm
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4.
Ratio
Express the second part of 8:13 as a fraction in simplest form
Answer: 13⁄21
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5.
Statistics
The mean of 4 numbers is 33. If 3 of them are 23, 43, 31, what is the missing number?