Change pack
Cornerstone
Jan 1 - 7
25 questions
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1.
Number
Add: 2⁄3 + 3⁄7
Answer: 23⁄21
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2.
Algebra
Simplify: 2x + 3x
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3.
Geometry
Opposite = 6cm, hypotenuse = 12cm. Find the angle
Answer: 30° (approximately)
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4.
Ratio
Calculate 10% of 159
Answer: 15.9
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5.
Statistics
A bag has 6 red and 4 blue balls. What is the probability of picking a red ball?
Answer: 3⁄5
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1.
Number
Calculate: 93 + 21
Answer: 93 + 21 = 114
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2.
Algebra
Solve: 9x = 99
Answer: x = 11
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3.
Geometry
Opposite = 16cm, adjacent = 8cm. Calculate the angle
Answer: 63.4°
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4.
Ratio
Calculate 25% of 104
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5.
Statistics
Find the mean of: 8, 14, 8, 15
Answer: 11.25
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1.
Number
Calculate: 2⁄9 + 4⁄9
Answer: 2⁄3
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2.
Algebra
Solve: 5x = 60
Answer: x = 12
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3.
Geometry
Calculate the area of a circle with diameter 12cm
Answer: 113.cm²
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4.
Ratio
Calculate 50% of 22
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5.
Statistics
Calculate the mean of: 25, 13, 50, 38, 50, 6, 43
Answer: 32.1
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1.
Number
Calculate: 199 + 718
Answer: 199 + 718 = 917
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2.
Algebra
What is the next term? 7, 28, 112, 448, ...
Answer: 1792
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3.
Geometry
Find the area of a right triangle with base 9cm and height 10cm
Answer: 45cm²
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4.
Ratio
Simplify the ratio 12:28
Answer: 3:7
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5.
Statistics
Calculate the mean of: 47, 31, 48, 28, 22, 16, 17
Answer: 29.9
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1.
Number
Calculate: -9 + (-9)
Answer: -18
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2.
Algebra
Solve: x + 3 = 22
Answer: x = 19
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3.
Geometry
Opposite = 10cm, adjacent = 19cm. Calculate the angle
Answer: 27.8°
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4.
Ratio
Simplify the ratio 40:25
Answer: 8:5
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5.
Statistics
Find the mean of: 19, 18, 11, 16