Change pack
Lintel
Dec 13 - 19
25 questions
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1.
Number
Write 0.0058 in standard form
Answer: 5.8 × 10-3
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2.
Algebra
Factorise: x² + x - 90
Answer: (x + 10)(x - 9)
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3.
Geometry
Adjacent = 11cm, angle = 47°. Find opposite. Give your answer to 2 decimal places
Answer: 11.8cm
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4.
Ratio
Simplify: 18:15:12
Answer: 6:5:4
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5.
Statistics
The mean of 5 numbers is 40. If 4 of them are 45, 22, 47, 44, what is the missing number?
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1.
Number
Write 0.0095 in standard form
Answer: 9.5 × 10-3
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2.
Algebra
Factorise: x² - 6x - 40
Answer: (x + 4)(x - 10)
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3.
Geometry
Adjacent = 29cm, angle = 45°. Find opposite
Answer: 29cm
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4.
Ratio
Simplify the ratio 2 hours : 15 minutes
Answer: 8:1
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5.
Statistics
Calculate the mean of: 37, 45, 7, 28, 22, 24, 33
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1.
Number
Write 350,000,000 in standard form
Answer: 3.5 × 108
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2.
Algebra
Factorise: x² - 6x - 16
Answer: (x + 2)(x - 8)
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3.
Geometry
Hypotenuse = 20cm, angle = 50°. Find adjacent side. Give your answer to 2 decimal places
Answer: 12.86cm
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4.
Ratio
Red, blue and green sweets are in the ratio 3:10:5. What fraction of the sweets are blue?
Answer: 5⁄9
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5.
Statistics
The mean of 4 numbers is 38. If 3 of them are 29, 35, 50, 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 + 5x - 14
Answer: (x + 7)(x - 2)
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3.
Geometry
Adjacent = 21cm, angle = 50°. Find opposite. Give your answer to 2 decimal places
Answer: 25.03cm
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4.
Ratio
Orange, purple and pink sweets are in the ratio 6:5:6. What fraction of the sweets are purple?
Answer: 5⁄17
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5.
Statistics
The mean of 5 numbers is 28. If 4 of them are 37, 42, 31, 19, what is the missing number?
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1.
Number
Write 34,000,000 in standard form
Answer: 3.4 × 107
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2.
Algebra
Factorise: x² + 15x + 56
Answer: (x + 8)(x + 7)
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3.
Geometry
Hypotenuse = 26cm, angle = 44°. Find adjacent side. Give your answer to 2 decimal places
Answer: 18.7cm
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4.
Ratio
In ratio 11:4:7, what fraction is the first part?
Answer: 1⁄2
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5.
Statistics
Calculate the mean of: 28, 42, 14, 36, 21, 28, 31, 5. Give your answer to 2 decimal places
Answer: 25.63