Change pack
Cornerstone
Jan 1 - 7
25 questions
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1.
Number
20000
Answer: 2 × 104
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2.
Algebra
Expand: 6(5x + 4)
Answer: 30x + 24
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3.
Geometry
Opposite = 16cm, adjacent = 12cm. Calculate the angle
Answer: 53.1°
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4.
Ratio
Simplify the ratio 6:15
Answer: 2:5
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5.
Statistics
Calculate the mean of: 30, 44, 49, 25, 32, 36, 37
Answer: 36.1
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1.
Number
450000
Answer: 4.5 × 105
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2.
Algebra
Expand: 2(x + 2)
Answer: 2x + 4
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3.
Geometry
Opposite = 13cm, hypotenuse = 18.4cm. Find the angle
Answer: 45° (approximately)
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4.
Ratio
Simplify the ratio 6:18
Answer: 1:3
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5.
Statistics
Find the mean of: 16, 12, 14, 9
Answer: 12.75
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1.
Number
Calculate: -31 + (12)
Answer: -19
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2.
Algebra
Solve: x + 7 = 21
Answer: x = 14
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3.
Geometry
Opposite = 9cm, hypotenuse = 10.4cm. Find the angle
Answer: 60° (approximately)
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4.
Ratio
Simplify: 24:24:16
Answer: 3:3:2
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5.
Statistics
Calculate the range of: 40, 98, 117, 81, 67, 55
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1.
Number
Calculate: 2⁄6 + 1⁄6
Answer: 1⁄2
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2.
Algebra
Factorise: 6x² + 8x
Answer: 2x(3x + 4)
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3.
Geometry
Calculate the area of a circle with diameter 22cm
Answer: 380.13cm²
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4.
Ratio
Simplify: 12:24:8
Answer: 3:6:2
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5.
Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2
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1.
Number
Find the total of 120, 232, and 110
Answer: 462
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2.
Algebra
What is the next term? 5, 10, 20, 40, ...
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3.
Geometry
Find the area of a circle with radius 6cm
Answer: 113.cm²
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4.
Ratio
Simplify: 15:18:12
Answer: 5:6:4
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5.
Statistics
Find the range of: 36, 37, 14, 17, 37