Change pack
Cornerstone
Jan 1 - 7
25 questions
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1.
Number
Simplify: x8 × x7
Answer: x15
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2.
Algebra
Collect like terms: 6x + 4y + 7x + 4y
Answer: 13x + 8y
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3.
Geometry
Find the area of a circle with radius 8cm
Answer: 201.06cm²
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4.
Ratio
Simplify the ratio 8:32
Answer: 1:4
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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
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1.
Number
Find the total of 214, 227, and 57
Answer: 498
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2.
Algebra
Solve: 6x = 78
Answer: x = 13
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3.
Geometry
Find the hypotenuse of a right triangle with sides 6cm and 8cm
Answer: 10cm
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4.
Ratio
Simplify the ratio 35:20
Answer: 7:4
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5.
Statistics
Calculate the range of: 25, 27, 22, 49, 39, 53
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1.
Number
Calculate: 57 + 24
Answer: 57 + 24 = 81
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2.
Algebra
For y = x³, find y when x = 5
Answer: y = 125
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3.
Geometry
Calculate perimeter: two sides are 15cm and 15cm at right angles
Answer: 51.2cm
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4.
Ratio
Calculate 10% of 171
Answer: 17.1
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5.
Statistics
Find the mean of: 18, 20, 19
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1.
Number
Add: 2⁄4 + 5⁄6
Answer: 4⁄3
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2.
Algebra
Solve: x + 11 = 25
Answer: x = 14
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3.
Geometry
Opposite = 15cm, hypotenuse = 17.3cm. Find the angle
Answer: 60° (approximately)
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4.
Ratio
Simplify the ratio 32:20
Answer: 8:5
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5.
Statistics
Calculate the mean of: 17, 47, 50, 46, 27, 29, 6, 5
Answer: 28.4
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1.
Number
Calculate: 53 + 36
Answer: 53 + 36 = 89
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2.
Algebra
Solve: 10x - 8 = 8x + 12
Answer: x = 10
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3.
Geometry
Opposite = 9cm, adjacent = 11cm. Calculate the angle
Answer: 39.3°
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4.
Ratio
Simplify the ratio 25:40
Answer: 5:8
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5.
Statistics
Find the mean of: 17, 11, 14, 5, 11
Answer: 11.6