Category Archives: Problem of the Week

2010 4th Year Math Challenge – National Level with answer key

Below are the 2010 MTAP 4th Year Math Challenge – National Level questions and answers. Solutions will be posted later. More reviewers can be found on the Past Tests and All Posts pages. Easy 1.) Ricky has (4a + 1) ₧100 bills and Emil … Continue reading

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Problem of the Week 8

This is the 8th problem of the week of MTAP Reviewer. Problem The diagonal of a square is 6cm. Find the area of the square that is twice its size. Solution We can divide a square into several ways, one … Continue reading

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Problem of the Week 8 – Shaded Part

This is the eighth problem in our Problem of the Week. Problem Two semi-circles are placed inside a square as shown below. What is the area of the shaded part?   Solution 1 To get the area of the shaded … Continue reading

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Problem of the Week 7

My apologies for not sustaining the Problem of the Week section of this site. Anyway, I’ll do my best to make Problem of the Week a really weekly post. This week, we are going to tackle two problems since they … Continue reading

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Problem of the Week 6 – Divisibility by 6

Problem The number 25a where a is a digit is divisible by 6. What is the largest possible value of a? Solution A number is divisible by 6 if it is both divisible by 2 and divisible by 3. First, a number if … Continue reading

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