Change pack
Cornerstone
Jan 1 - 7
25 questions
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1.
Number
Add: 4⁄5 + 5⁄7
Answer: 53⁄35
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2.
Algebra
Solve: x + 13 = 31
Answer: x = 18
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3.
Geometry
Calculate the area of a circle with diameter 9cm
Answer: 63.62cm²
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4.
Ratio
Simplify: 12:4:6
Answer: 6:2:3
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5.
Statistics
Calculate the mean of: 37, 48, 46, 33, 8, 29, 46
Answer: 35.3
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1.
Number
Calculate: 38 + 24
Answer: 38 + 24 = 62
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2.
Algebra
Solve: 8x - 4 = 6x + 2
Answer: x = 3
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3.
Geometry
Opposite = 10cm, hypotenuse = 11.5cm. Find the angle
Answer: 60° (approximately)
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4.
Ratio
Simplify: 15:9:12
Answer: 5:3:4
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5.
Statistics
Find the mean of: 15, 20, 8, 3, 12
Answer: 11.6
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1.
Number
Calculate: 84 + 71
Answer: 84 + 71 = 155
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2.
Algebra
Collect like terms: 7x + 8y + 7x + 3y
Answer: 14x + 11y
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3.
Geometry
Calculate the area of a right triangle with perpendicular sides 13cm and 14cm
Answer: 91cm²
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4.
Ratio
Simplify: 20:16:20
Answer: 5:4:5
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5.
Statistics
Find the mean of: 20, 19, 12
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1.
Number
Find the total of 275, 164, and 101
Answer: 540
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2.
Algebra
Solve: x + 12 = 18
Answer: x = 6
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3.
Geometry
Opposite = 9cm, hypotenuse = 18cm. Find the angle
Answer: 30° (approximately)
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4.
Ratio
Simplify: 24:12:12
Answer: 2:1:1
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5.
Statistics
Calculate the mean of: 46, 17, 47, 39, 31, 49, 29, 50
Answer: 38.5
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1.
Number
Calculate: 3 + (-9)
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2.
Algebra
Solve: x + 9 = 26
Answer: x = 17
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3.
Geometry
Calculate perimeter: two sides are 15cm and 6cm at right angles
Answer: 37.2cm
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4.
Ratio
Simplify: 20:12:24
Answer: 5:3:6
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5.
Statistics
Calculate the mean of: 43, 37, 27, 30, 19, 29
Answer: 30.8