2008 Grade 4 Math Challenge – Sectoral Level with downloadable PDF

Below are the 2008 MTAP Grade 4 Math Challenge Sectoral level questions and answers. Solutions will be posted later. More reviewers can be found on the Past Tests and All Posts pages.

Easy

1.) 0.778 is equal to how many percent?

2.) What is the sum of all odd numbers less than 10?

3.) A 47 meter long rope is divided into two pieces. One is 15 m longer than the other. How many meters is the longer one?

4.) If 3 mangoes cost Php 65, how much will a dozen cost?

5.) Two-fifths of a school are boys. If there are 165 girls, how many pupils are there?

6.) Which has a greater area, a rectangular garden with dimensions 40 m by 30 m, or a square garden with 35 meters on the side?

7.) What is \dfrac {1}{2} of the product of 8, 6, and 3?

8.) Rica cleaned \dfrac {1}{3} of a yard. Ana cleaned \dfrac {1}{2} of the remaining part. How much remained unclean?

Average

1.) What is the number, which when multiplied by itself, is equal to the product of 6 and 150?

2.) What percent of 240 is 25% of 192?

3.) What is the GCF of 420 and 588?

4.) What is the area of the bottom of a circular fountain with a radius of 6 m?

5.) The base of an isosceles triangle is 5 cm longer than a leg. If the perimeter is 38 cm, find the length of the base.

Difficult

1.) The length of a rectangle is twice its width. If the perimeter is 96 m, what is its area?

2.) If the figure ABMC is a straight line and AB is 62 cm, BC is 73 cm, and M is the midpoint of AC, how long is AM?

3.) A glass is 64.23 g when empty and 150.35 g when full of water. What is its weight when half-full of water?

4.) Fill in two digits in the blanks in 86 to make it divisible by 3, 4, and 5.

5.) Alice receives Php 40/hr for 8 hours daily and gets 125% of the regular rate. How much did she earn for 5 days of work?

Answers:

Easy
1.) 77.8%
2.) 25
3.) 36 meters
4.) Php 260
5.) 275
6.) square garden
7.) 12
8.) 1/3

Average
1.) 30
2.) 20%
3.) 84
4.) 113.04 m^2
5.) 16 cm

Difficult
1.) 512 m^2
2.) 67 cm
3.) 107.29 g
4.) 40
5.) Php 2,100

Here’s the link to download the pdf.

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