Change pack
Lintel
Jun 15 - 21
25 questions
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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: 2x + 2y = 18 and x + 3y = 15
Answer: x = 6, y = 3
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3.
Geometry
Calculate the missing side: a = 19cm, c = 25cm
Answer: 16.2cm
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4.
Ratio
a:b is 2:5 and b:c is 5:4. Find a:b:c.
Answer: 2:5:4
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5.
Statistics
A fair coin is flipped 54 times. How many heads would you expect?
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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: 2x + 3y = 37 and 2x + 4y = 44
Answer: x = 8, y = 7
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3.
Geometry
Find b if a = 12cm and c = 21cm
Answer: 17.23cm
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4.
Ratio
a:b is 4:5 and b:c is 5:6. Find a:b:c.
Answer: 4:5:6
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5.
Statistics
A fair coin is flipped 132 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 = 38 and 3x - y = 13
Answer: x = 7, y = 8
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3.
Geometry
Calculate the missing side: a = 10cm, c = 27cm
Answer: 25.cm
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4.
Ratio
a:b is 3:4 and b:c is 4:5. Find a:b:c.
Answer: 3:4:5
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5.
Statistics
A bag has 3 red out of 9 balls. If you pick 112 times (with replacement), how many times would you expect red?
Answer: 37.3
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1.
Number
Write 72 as a product of its prime factors
Answer: 2³ × 3²
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2.
Algebra
Solve: 2x + 3y = 22 and 3x - y = 22
Answer: x = 8, y = 2
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3.
Geometry
Calculate the missing side: a = 25cm, c = 38cm
Answer: 28.6cm
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4.
Ratio
a:b is 4:3 and b:c is 3:7. Find a:b:c.
Answer: 4:3:7
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5.
Statistics
A bag has 2 red out of 10 balls. If you pick 110 times (with replacement), how many times would you expect red?
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1.
Number
Write 90 as a product of its prime factors
Answer: 2 × 3² × 5
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2.
Algebra
Solve: 3x + 5y = 26 and 2x + y = 8
Answer: x = 2, y = 4
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3.
Geometry
Find b if a = 7cm and c = 19cm
Answer: 17.66cm
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4.
Ratio
a:b is 3:2 and b:c is 1:3. Find a:b:c.
Answer: 3:2:6
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5.
Statistics
A fair coin is flipped 174 times. How many heads would you expect?