Change pack
Cornerstone
Jan 1 - 7
25 questions
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1.
Number
Calculate: 70 + 61
Answer: 70 + 61 = 131
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2.
Algebra
Solve: x + 13 = 20
Answer: x = 7
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3.
Geometry
Calculate the area of a right triangle with perpendicular sides 10cm and 10cm
Answer: 50cm²
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4.
Ratio
Simplify the ratio 10:30
Answer: 1:3
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5.
Statistics
Find the range of: 16, 19, 14, 25, 24
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1.
Number
Calculate: 56 + 88
Answer: 56 + 88 = 144
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2.
Algebra
Solve: 6x + 9 = 2x + 29
Answer: x = 5
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3.
Geometry
Calculate the area of a circle with diameter 21cm
Answer: 346.36cm²
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4.
Ratio
Find 77% of 341
Answer: 262.57
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5.
Statistics
Calculate the range of: 81, 21, 82, 69, 21, 91
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1.
Number
Find the total of 195, 187, and 81
Answer: 463
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2.
Algebra
Expand: 5(2x + 2)
Answer: 10x + 10
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3.
Geometry
Find the perimeter of a right triangle with sides 3cm, 4cm, 5cm
Answer: 12cm
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4.
Ratio
Simplify: 6:15:9
Answer: 2:5:3
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5.
Statistics
Find the range of: 24, 9, 9, 19, 13
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1.
Number
Calculate: 28 + 46
Answer: 28 + 46 = 74
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2.
Algebra
Solve: 6x = 60
Answer: x = 10
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3.
Geometry
Opposite = 9cm, adjacent = 20cm. Calculate the angle
Answer: 24.2°
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4.
Ratio
Simplify: 18:18:12
Answer: 3:3:2
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5.
Statistics
Find the mean of: 6, 20, 10
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1.
Number
What is the missing number: 53 + ? = 179
Answer: 126
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2.
Algebra
Simplify: 9x + 7x
Answer: 16x
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3.
Geometry
Opposite = 8cm, hypotenuse = 16cm. Find the angle
Answer: 30° (approximately)
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4.
Ratio
Simplify: 15:15:18
Answer: 5:5:6
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5.
Statistics
A bag has 7 red and 7 blue balls. What is the probability of picking a red ball?
Answer: 1⁄2