Change pack
Lintel
May 23 - 29
25 questions
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1.
Number
Write 41,000,000 in standard form
Answer: 4.1 × 107
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2.
Algebra
Factorise: x² - 2x - 3
Answer: (x + 1)(x - 3)
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3.
Geometry
Hypotenuse = 26cm, angle = 46°. Find adjacent side. Give your answer to 2 decimal places
Answer: 18.06cm
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4.
Ratio
Simplify the ratio £8 : 75p
Answer: 32:3
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5.
Statistics
The mean of 6 numbers is 37. If 5 of them are 39, 47, 17, 24, 48, what is the missing number?
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1.
Number
Write 57,000,000 in standard form
Answer: 5.7 × 107
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2.
Algebra
Factorise: x² + 7x + 6
Answer: (x + 6)(x + 1)
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3.
Geometry
Hypotenuse = 21cm, angle = 52°. Find adjacent side. Give your answer to 2 decimal places
Answer: 12.93cm
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4.
Ratio
Divide 75 in the ratio 1:2:2
Answer: 15, 30 and 30
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5.
Statistics
Calculate the mean of: 36, 18, 49, 22, 29, 38, 32
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1.
Number
Write 0.006 in standard form
Answer: 6 × 10-3
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2.
Algebra
Factorise: x² - 7x - 8
Answer: (x + 1)(x - 8)
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3.
Geometry
Adjacent = 16cm, angle = 58°. Find opposite. Give your answer to 2 decimal places
Answer: 25.61cm
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4.
Ratio
Simplify: 12:18:18
Answer: 2:3:3
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5.
Statistics
The mean of 5 numbers is 37. If 4 of them are 41, 37, 15, 31, what is the missing number?
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1.
Number
Write 400,000 in standard form
Answer: 4 × 105
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2.
Algebra
Factorise: x² - 6x - 7
Answer: (x + 1)(x - 7)
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3.
Geometry
Hypotenuse = 31cm, angle = 41°. Find adjacent side. Give your answer to 2 decimal places
Answer: 23.4cm
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4.
Ratio
Red and blue beads are in the ratio 4:8. What fraction of the beads are red?
Answer: 1⁄3
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5.
Statistics
The mean of 4 numbers is 26. If 3 of them are 32, 29, 29, what is the missing number?
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1.
Number
Write 0.000088 in standard form
Answer: 8.8 × 10-5
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2.
Algebra
Factorise: x² + 17x + 60
Answer: (x + 12)(x + 5)
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3.
Geometry
Adjacent = 14cm, angle = 32°. Find opposite. Give your answer to 2 decimal places
Answer: 8.75cm
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4.
Ratio
Orange and purple beads are in the ratio 2:5. What fraction of the beads are purple?
Answer: 5⁄7
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5.
Statistics
Calculate the mean of: 31, 22, 39, 17, 25, 40