Change pack
Cornerstone
Jan 1 - 7
25 questions
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1.
Number
Simplify: x4 × x4
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2.
Algebra
Expand: 2(x + 7)
Answer: 2x + 14
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3.
Geometry
Calculate the hypotenuse when a = 8cm and b = 14cm
Answer: 16.12cm
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4.
Ratio
Simplify the ratio 15:35
Answer: 3:7
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5.
Statistics
Calculate the mean of: 30, 18, 18, 30, 40, 26, 31
Answer: 27.6
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1.
Number
Calculate: 7.1 + 1.3
Answer: 7.1 + 1.3 = 8.4
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2.
Algebra
Solve: 3x = 30
Answer: x = 10
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3.
Geometry
Find the area of a circle with radius 9cm
Answer: 254.47cm²
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4.
Ratio
Simplify the ratio 32:20
Answer: 8:5
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5.
Statistics
What is the probability of rolling a 3 on a fair die?
Answer: 1⁄6
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1.
Number
Calculate: 40 + 82
Answer: 40 + 82 = 122
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2.
Algebra
Solve: 3x = 39
Answer: x = 13
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3.
Geometry
Opposite = 15cm, hypotenuse = 30cm. Find the angle
Answer: 30° (approximately)
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4.
Ratio
Find 54% of 326
Answer: 176.04
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5.
Statistics
Calculate the mean of: 36, 24, 7, 7, 42, 21, 43, 14
Answer: 24.3
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1.
Number
What is the missing number: 62 + ? = 115
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2.
Algebra
Solve: x + 2 = 13
Answer: x = 11
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3.
Geometry
Calculate the perimeter of a right triangle with sides 9cm and 10cm
Answer: 32.5cm
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4.
Ratio
Simplify: 6:8:10
Answer: 3:4:5
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5.
Statistics
Find the range of: 14, 14, 15, 35, 43
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1.
Number
Calculate: 85 + 49
Answer: 85 + 49 = 134
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2.
Algebra
Solve: x + 12 = 16
Answer: x = 4
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3.
Geometry
Opposite = 9cm, hypotenuse = 18cm. Find the angle
Answer: 30° (approximately)
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4.
Ratio
Simplify: 12:8:8
Answer: 3:2:2
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5.
Statistics
Find the mean of: 18, 16, 8