## 2017 Grade 7 Math Challenge Elimination Round (Questions 1-25)

This is the 2017 MTAP Grade 7 Math Challenge questions 1 to 25. Questions 26-30 including the pdf  can be found here.

Questions in the previous years can be accessed on the Past Tests page and all questions can be found in the All Posts page.

1.) If A= {1,3,5,7}, B = {3,7,11} and C ={3,11,19}, find A ∩ (BC).

2.) Let A = {a, b, c ,}, B = {a, d, e, } and C = {cx} be the subsets of {a, b, c, d, e, }. Find all possible x so that (A ∪ C) ∩ B has exactly three elements.

3.) Give the fraction form of $2. \overline{16}$.

4.) Give the rational number that is midway between $\dfrac{3}{4}$ and $\dfrac{7}{8}$

5.) Anna walks $\frac{32}{7}$ due west, then turns back and walks $5 \frac{5}{7}$ km due west. How far is Anna from her starting point?  Continue reading

## 2018 Grade 4 Math Challenge Questions

Below is the MTAP Math Challenge questions for Grade 4. You may use these questions as your reviewer for future competitions. The answers and solutions will be uploaded soon.

1.) The diameter of the Earth at the equator is 12756 km. What is the place value of the digit 2?

2.) Arrange the following in decreasing order:43367, 43637, 43763, 43376.

3.) Guimaras is one of the tourist destinations in the country and it is known for its sweet mangoes. Below are the weights of four mangoes in kg. Arrange the following weights from lowest to highest: 0.4001, 0.41, 0.401, 0.411

4.) On a certain celebration, a square chocolate cake 40 cm on a side can serve 40 children. How many children can be served by the same square cake, which is 60 cm on a side?

5.) Give a whole number which is neither prime nor composite.  Continue reading

## 2018 Grade 6 Math Challenge Questions (with PDF)

Below are 50 questions from the 2018 Math Challenge. Solutions will follow later.

1.) What is the sum of the first five prime numbers?

2.) What is the largest value of 𝑛 so that 326𝑛38 < 326438?

3.) What number should be subtracted from 17 to get 44?

4.) 3[5(6 − 3) + 2] = _____

5.) In 237428835, how many ten thousands are there?

6.) Using the digits 4, 7, 2, and 5 exactly once, what is the smallest number that you can be formed?

7.) Complete the number sentence: 32 + _____ = 80.  Continue reading

## 2018 Grade 5 Math Challenge Questions (with PDF)

Below is the 2018 Grade 5 Math challenge questions.

____________ 1 What is the value of the largest digit in 5 804 263?

____________ 2 Fill in the blank: 5.361 = 5 + 0.3 + _____ + 0.001.

____________ 3 The tens digit of a three-digit number is one less than its ones digit. If the number is a palindrome (reads the same forward and backward), what is the smallest number that satisfies such condition?

____________ 4 Calculate 4 × 80 + 5(23 − 7).

____________ 5 Round the product of 1563 × 28 to the nearest hundred.

____________ 6 Which is bigger,$\frac{49}{9}$ or $\frac{65}{12}$Continue reading