Change pack
Lintel
Mar 9 - 15
25 questions
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1.
Number
Write 60 as a product of its prime factors
Answer: 2² × 3 × 5
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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
Calculate the missing side: a = 10cm, c = 24cm
Answer: 21.8cm
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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 bag has 2 red out of 13 balls. If you pick 80 times (with replacement), how many times would you expect red?
Answer: 12.3
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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: 2x + 3y = 32 and 3x - y = 15
Answer: x = 7, y = 6
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3.
Geometry
Find b if a = 14cm and c = 25cm
Answer: 20.71cm
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4.
Ratio
a:b is 2:3 and b:c is 4:5. Find a:b:c.
Answer: 8:12:15
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5.
Statistics
A bag has 5 red out of 15 balls. If you pick 95 times (with replacement), how many times would you expect red?
Answer: 31.7
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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 = 10 and 2x + y = 6
Answer: x = 2, y = 2
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3.
Geometry
Calculate the missing side: a = 15cm, c = 32cm
Answer: 28.3cm
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4.
Ratio
a:b is 3:4 and b:c is 1:3. Find a:b:c.
Answer: 3:4:12
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5.
Statistics
A fair coin is flipped 110 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: 4x + 3y = 41 and x + y = 11
Answer: x = 8, y = 3
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3.
Geometry
Find b if a = 9cm and c = 15cm
Answer: 12cm
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4.
Ratio
a:b is 2:1 and b:c is 3:4. Find a:b:c.
Answer: 12:6:8
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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 = 24 and 3x - y = 25
Answer: x = 9, y = 2
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3.
Geometry
Calculate the missing side: a = 12cm, c = 28cm
Answer: 25.3cm
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4.
Ratio
a:b is 3:4 and b:c is 1:2. Find a:b:c.
Answer: 9:12:24
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5.
Statistics
A bag has 4 red out of 15 balls. If you pick 54 times (with replacement), how many times would you expect red?
Answer: 14.4