Change pack
Cornerstone
Jan 1 - 7
25 questions
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1.
Number
Calculate: 71 + 71
Answer: 71 + 71 = 142
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2.
Algebra
Factorise: 32x + 20
Answer: 4(8x + 5)
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3.
Geometry
Opposite = 12cm, hypotenuse = 17cm. Find the angle
Answer: 45° (approximately)
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4.
Ratio
Simplify: 12:4:12
Answer: 3:1:3
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5.
Statistics
Calculate the mean of: 9, 24, 31, 35, 7, 45, 38
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1.
Number
Simplify: x3 × x4
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2.
Algebra
Solve: 8x = 72
Answer: x = 9
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3.
Geometry
Opposite = 19cm, adjacent = 16cm. Calculate the angle
Answer: 49.9°
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4.
Ratio
Simplify: 16:8:12
Answer: 4:2:3
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5.
Statistics
Find the mean of: 8, 12, 7
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1.
Number
Calculate: 39 + 21
Answer: 39 + 21 = 60
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2.
Algebra
What is the next term? 5, 15, 45, 135, ...
Answer: 405
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3.
Geometry
Find the distance between (1, 3) and (6, 8)
Answer: 7.07
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4.
Ratio
Simplify: 9:9:15
Answer: 3:3:5
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5.
Statistics
A bag has 3 red and 7 blue balls. What is the probability of picking a red ball?
Answer: 3⁄10
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1.
Number
Simplify: x3 × x4
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2.
Algebra
Factorise: 21x + 12
Answer: 3(7x + 4)
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3.
Geometry
Calculate perimeter: two sides are 7cm and 7cm at right angles
Answer: 23.9cm
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4.
Ratio
Simplify: 18:18:12
Answer: 3:3:2
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5.
Statistics
Find the range of: 26, 20, 35, 37, 21
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1.
Number
Calculate: 1⁄8 + 2⁄8
Answer: 3⁄8
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2.
Algebra
Solve: x + 13 = 16
Answer: x = 3
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3.
Geometry
Opposite = 14cm, hypotenuse = 28cm. Find the angle
Answer: 30° (approximately)
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4.
Ratio
Simplify: 18:9:18
Answer: 2:1:2
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5.
Statistics
Find the mean of: 10, 8, 10, 10, 2