Change pack
Cornerstone
Jan 1 - 7
25 questions
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1.
Number
What is ∛27?
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2.
Algebra
Solve: 2x = 22
Answer: x = 11
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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 21:18
Answer: 7:6
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5.
Statistics
Calculate the mean of: 47, 15, 14, 50, 17, 35, 45, 28
Answer: 31.4
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1.
Number
Add: 6⁄8 + 1⁄4
Answer: 1⁄1
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2.
Algebra
Solve: 5x = 60
Answer: x = 12
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3.
Geometry
Calculate perimeter: two sides are 8cm and 11cm at right angles
Answer: 32.6cm
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4.
Ratio
Simplify the ratio 10:14
Answer: 5:7
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5.
Statistics
Calculate the mean of: 49, 37, 22, 43, 11, 28
Answer: 31.7
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1.
Number
Calculate: 87 + 40
Answer: 87 + 40 = 127
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2.
Algebra
Solve: x + 7 = 16
Answer: x = 9
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3.
Geometry
Opposite = 9cm, hypotenuse = 18cm. Find the angle
Answer: 30° (approximately)
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4.
Ratio
Calculate 10% of 89
Answer: 8.9
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5.
Statistics
Find the mean of: 13, 20, 20, 4, 18
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1.
Number
Calculate: 57 + 58
Answer: 57 + 58 = 115
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2.
Algebra
Solve: 8x = 80
Answer: x = 10
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3.
Geometry
Calculate the hypotenuse when a = 11cm and b = 13cm
Answer: 17.03cm
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4.
Ratio
Calculate 25% of 79
Answer: 19.75
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5.
Statistics
Calculate the range of: 45, 80, 49, 101, 31, 43
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1.
Number
What is the missing number: 58 + ? = 178
Answer: 120
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2.
Algebra
Solve: 6x - 6 = 3x + 6
Answer: x = 4
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3.
Geometry
Find the perimeter of a right triangle with sides 3cm, 4cm, 5cm
Answer: 12cm
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4.
Ratio
Calculate 10% of 192
Answer: 19.2
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5.
Statistics
A bag has 5 red and 3 blue balls. What is the probability of picking a red ball?
Answer: 5⁄8