Change pack
Cornerstone
Jan 1 - 7
25 questions
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1.
Number
Simplify: x7 × x7
Answer: x14
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2.
Algebra
What is the next term? 7, 21, 63, 189, ...
Answer: 567
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3.
Geometry
Calculate the area of a circle with diameter 8cm
Answer: 50.27cm²
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4.
Ratio
Simplify the ratio 24:16
Answer: 3:2
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5.
Statistics
Find the range of: 18, 32, 35, 39, 26
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1.
Number
Calculate: 74 + 34
Answer: 74 + 34 = 108
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2.
Algebra
Solve: 9x = 135
Answer: x = 15
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3.
Geometry
Find the perimeter of a right triangle with sides 6cm and 8cm
Answer: 24cm
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4.
Ratio
Simplify the ratio 12:21
Answer: 4:7
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5.
Statistics
Find the mean of: 15, 15, 3, 6, 16
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1.
Number
What is the missing number: 40 + ? = 136
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2.
Algebra
Find the next term: 7, 16, 25, 34, ...
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3.
Geometry
Calculate the hypotenuse when a = 9cm and b = 13cm
Answer: 15.81cm
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4.
Ratio
Simplify the ratio 15:18
Answer: 5:6
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5.
Statistics
Calculate the mean of: 30, 27, 32, 14, 34, 6
Answer: 23.8
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1.
Number
Calculate: 275 + 450
Answer: 275 + 450 = 725
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2.
Algebra
For y = x³, find y when x = 2
Answer: y = 8
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3.
Geometry
Calculate the area of a right triangle with perpendicular sides 13cm and 15cm
Answer: 97.5cm²
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4.
Ratio
Simplify: 6:6:8
Answer: 3:3:4
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5.
Statistics
What is the probability of getting heads when flipping a fair coin?
Answer: 1⁄2
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1.
Number
Calculate: 49 + 85
Answer: 49 + 85 = 134
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2.
Algebra
Solve: 7x - 6 = 2x + 19
Answer: x = 5
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3.
Geometry
Opposite = 15cm, hypotenuse = 21.2cm. Find the angle
Answer: 45° (approximately)
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4.
Ratio
Find 78% of 348
Answer: 271.44
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5.
Statistics
Calculate the mean of: 24, 21, 37, 19, 8, 16, 43, 37
Answer: 25.6