Change pack
Lintel
May 16 - 22
25 questions
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1.
Number
Write 430,000,000 in standard form
Answer: 4.3 × 108
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2.
Algebra
Factorise: x² + 3x - 10
Answer: (x + 5)(x - 2)
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3.
Geometry
Hypotenuse = 21cm, angle = 44°. Find adjacent side. Give your answer to 2 decimal places
Answer: 15.11cm
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4.
Ratio
In ratio 2:6:2, what fraction is the second part?
Answer: 3⁄5
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5.
Statistics
Calculate the mean of: 45, 24, 22, 12, 7, 9, 10, 13
Answer: 17.75
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1.
Number
Write 0.0079 in standard form
Answer: 7.9 × 10-3
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2.
Algebra
Factorise: x² + 5x - 14
Answer: (x + 7)(x - 2)
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3.
Geometry
Adjacent = 22cm, angle = 45°. Find opposite
Answer: 22cm
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4.
Ratio
Orange, purple and pink beads are in the ratio 12:3:5. What fraction of the beads are orange?
Answer: 3⁄5
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5.
Statistics
The mean of 4 numbers is 30. If 3 of them are 36, 48, 25, what is the missing number?
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1.
Number
Write 0.000047 in standard form
Answer: 4.7 × 10-5
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2.
Algebra
Factorise: x² + 14x + 48
Answer: (x + 8)(x + 6)
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3.
Geometry
Adjacent = 10cm, angle = 50°. Find opposite. Give your answer to 2 decimal places
Answer: 11.92cm
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4.
Ratio
Simplify the ratio £1 : 70p
Answer: 10:7
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5.
Statistics
The mean of 4 numbers is 29. If 3 of them are 34, 46, 19, what is the missing number?
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1.
Number
Write 770,000 in standard form
Answer: 7.7 × 105
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2.
Algebra
Factorise: x² + 3x - 70
Answer: (x + 10)(x - 7)
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3.
Geometry
Hypotenuse = 31cm, angle = 52°. Find adjacent side. Give your answer to 2 decimal places
Answer: 19.09cm
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4.
Ratio
In ratio 12:8:6, what fraction is the first part?
Answer: 6⁄13
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5.
Statistics
Calculate the mean of: 12, 50, 12, 7, 44, 33. Give your answer to 2 decimal places
Answer: 26.33
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1.
Number
Write 0.058 in standard form
Answer: 5.8 × 10-2
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2.
Algebra
Factorise: x² - x - 20
Answer: (x + 4)(x - 5)
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3.
Geometry
Adjacent = 30cm, angle = 59°. Find opposite. Give your answer to 2 decimal places
Answer: 49.93cm
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4.
Ratio
£252.00 is shared between A and B in the ratio 4:5. How much does A receive?
Answer: £112.00
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5.
Statistics
The mean of 4 numbers is 39. If 3 of them are 25, 47, 49, what is the missing number?