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2019 Grade 5 Math Challenge Divisionals Questions and Answers (with PDF)

Below are the 2019 MTAP Grade 5 Math Challenge Division Finals questions and answers. Solutions will be posted later. More reviewers can be found on the Past Tests and All Posts pages.

Easy

1.) If x = 5 + 10 + 15 + 20 + 25 and y = 13 + 14 + 15 + 16 + 17, what is x – y?

2.) If \dfrac {a + b}{b} = \dfrac {11}{8} , what is the value of \dfrac {a}{b}?

3.) Express as decimal the sum of 1 + \dfrac {1}{2} + \dfrac {1}{3} + \dfrac {1}{4} + \dfrac {1}{5} + \dfrac {1}{6}.

4.) If x : 8 = y : 32 and x + y = 25, what is y – x?

5.) S = 1 + 1^2 + 1^3 + 1^4 + 1^5 + 1^6. How many prime factors does S have?

6.) A bell sounds at the indicated number of times at regular intervals as follows: …, 8, 1, 9, 1, 10, 1, 11, 1, 12, 1, 1, 1, ___, ___… What are the next two numbers? Continue reading