Change pack
Lintel
Feb 16 - 22
25 questions
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1.
Number
Write 830,000 in standard form
Answer: 8.3 × 105
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2.
Algebra
Factorise: x² + 13x + 12
Answer: (x + 12)(x + 1)
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3.
Geometry
Adjacent = 18cm, angle = 32°. Find opposite. Give your answer to 2 decimal places
Answer: 11.25cm
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4.
Ratio
Express the second part of 10:15 as a fraction in simplest form
Answer: 3⁄5
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5.
Statistics
Calculate the mean of: 32, 39, 26, 10, 9, 46
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1.
Number
Write 0.00055 in standard form
Answer: 5.5 × 10-4
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2.
Algebra
Factorise: x² - 8x - 9
Answer: (x + 1)(x - 9)
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3.
Geometry
Hypotenuse = 35cm, angle = 26°. Find adjacent side. Give your answer to 2 decimal places
Answer: 31.46cm
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4.
Ratio
Simplify: 12:16:20
Answer: 3:4:5
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5.
Statistics
The mean of 6 numbers is 33. If 5 of them are 46, 17, 21, 43, 30, what is the missing number?
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1.
Number
Write 0.03 in standard form
Answer: 3 × 10-2
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2.
Algebra
Factorise: x² - 7x - 30
Answer: (x + 3)(x - 10)
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3.
Geometry
Hypotenuse = 38cm, angle = 26°. Find adjacent side. Give your answer to 2 decimal places
Answer: 34.15cm
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4.
Ratio
Red and blue beads are in the ratio 4:14. What fraction of the beads are red?
Answer: 2⁄9
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5.
Statistics
The mean of 6 numbers is 39. If 5 of them are 27, 39, 37, 28, 42, what is the missing number?
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1.
Number
Write 990,000,000 in standard form
Answer: 9.9 × 108
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2.
Algebra
Factorise: x² + 7x - 60
Answer: (x + 12)(x - 5)
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3.
Geometry
Adjacent = 27cm, angle = 44°. Find opposite. Give your answer to 2 decimal places
Answer: 26.07cm
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4.
Ratio
Simplify: 10:10:12
Answer: 5:5:6
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5.
Statistics
Calculate the mean of: 26, 34, 47, 35, 6, 49, 44, 20. Give your answer to 2 decimal places
Answer: 32.63
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1.
Number
Write 0.000049 in standard form
Answer: 4.9 × 10-5
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2.
Algebra
Factorise: x² - 7x - 60
Answer: (x + 5)(x - 12)
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3.
Geometry
Hypotenuse = 30cm, angle = 28°. Find adjacent side. Give your answer to 2 decimal places
Answer: 26.49cm
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4.
Ratio
Red and blue counters are in the ratio 10:5. What fraction of the counters are red?
Answer: 2⁄3
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5.
Statistics
The mean of 5 numbers is 32. If 4 of them are 34, 31, 22, 48, what is the missing number?