Change pack
Lintel
Sep 21 - 27
25 questions
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1.
Number
Express 144 as a product of prime factors
Answer: 2⁴ × 3²
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2.
Algebra
Solve: 2x + 3y = 35 and 3x - y = 14
Answer: x = 7, y = 7
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3.
Geometry
Find b if a = 11cm and c = 15cm
Answer: 10.2cm
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4.
Ratio
a:b is 3:5 and b:c is 5:4. Find a:b:c.
Answer: 3:5:4
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5.
Statistics
A fair coin is flipped 154 times. How many heads would you expect?
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1.
Number
Express 100 as a product of prime factors
Answer: 2² × 5²
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2.
Algebra
Solve: 2x + 3y = 21 and 3x - y = 15
Answer: x = 6, y = 3
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3.
Geometry
Calculate the missing side: a = 18cm, c = 36cm
Answer: 31.2cm
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4.
Ratio
a:b is 2:3 and b:c is 1:2. Find a:b:c.
Answer: 2:3:6
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5.
Statistics
A fair coin is flipped 80 times. How many heads would you expect?
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1.
Number
Express 120 as a product of prime factors
Answer: 2³ × 3 × 5
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2.
Algebra
Solve: 5x + 4y = 30 and 2x + 3y = 19
Answer: x = 2, y = 5
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3.
Geometry
Find b if a = 6cm and c = 15cm
Answer: 13.75cm
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4.
Ratio
a:b is 1:2 and b:c is 4:5. Find a:b:c.
Answer: 2:4:5
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5.
Statistics
A bag has 3 red out of 13 balls. If you pick 89 times (with replacement), how many times would you expect red?
Answer: 20.5
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1.
Number
Write 36 as a product of its prime factors
Answer: 2² × 3²
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2.
Algebra
Solve: 3x + 5y = 16 and x + y = 4
Answer: x = 2, y = 2
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3.
Geometry
Find b if a = 13cm and c = 18cm
Answer: 12.45cm
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4.
Ratio
a:b is 3:2 and b:c is 1:2. Find a:b:c.
Answer: 3:2:4
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5.
Statistics
A fair coin is flipped 90 times. How many heads would you expect?
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1.
Number
Express 180 as a product of prime factors
Answer: 2² × 3² × 5
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2.
Algebra
Solve: 2x + 3y = 30 and 3x - y = 1
Answer: x = 3, y = 8
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3.
Geometry
Calculate the missing side: a = 20cm, c = 27cm
Answer: 18.cm
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4.
Ratio
a:b is 1:2 and b:c is 3:4. Find a:b:c.
Answer: 6:12:16
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5.
Statistics
A bag has 4 red out of 13 balls. If you pick 98 times (with replacement), how many times would you expect red?
Answer: 30.2