These are the Math Challenge Questions for Grade 5 Regional Finals.

More past tests can be found **here** and more Grade 5 reviewers can be found **here**. If you have old tests, kindly send it to mtapreviewers@gmail.com, so we can share it here with answers/solutions.

**Part I**

1.) What is the least common multiple of 90 and 126?

2.) A worker can assemble a toy boat in 6 hours. A machine can reduce the time in the ratio 3:10. How long will the machine take to assemble the toy boat?

3.) A square has a side of 8cm. A second square has a side of 12cm. What is the ratio of their areas?

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