PIMSO 2021 - Mathematics - Grade 4 - National Round Mock Test

Find the missing number in 5, 8, 12, 18, ____ , 30, 36.

Efren Peñaflorida, CNN 2009 Hero teacher of the year, wrote the numbers 1 to 69 on the board, then he removed all the digits 2. How many digits remained after he removed all the digits 2?

The product of three consecutive even numbers is 7,920. What is the sum of these three numbers?

N is a number that is between 100 and 200. N has exactly six factors. How many different values of N are possible?

How many natural numbers between 10 and 300 are not divisible by 2 or 5?

The age of my Lolo Rodrigo is an even number. My father’s age is 32 years and I am 8 years old now. In 3 years, the sum of our ages will be 103 years. How old was Lolo Rodrigo 5 years ago?

The clock of the Manila City Hall shows 8:20 am. Find the smaller angle formed by the minute hand and the hour hand of this clock at this time.

Leandro Locsin, a well-known Filipino architect, used Hexagonal designs in one of his work as shown below. What is the sum of the angles inside the 4 hexagons below?

The Aetas, one of the ethnic groups in the Philippines are making pamaypay for a living. They used bamboo structure to strengthen their work as shown below. How many acute angles can you see in the given structure?

The figure below is composed of squares and a semi-circle. If the side of the smallest square measures 2 centimeters, what is the measure around the entire figure? Use π = 3.14

Jose Rizal drove at a speed 80 km/hr from his house to Malacañang palace at 8:00 am. He returned home at a speed of 90 km/hr. What was his average speed for the round-trip?

A cylindrical container has 2 Liters of water. The water is transferred to a rectangular prismatic container with a base 20 cm long and 10 cm wide. What is the height of the water in the rectangular prismatic container?

A prism has a total of 6 edges on its two bases. How many faces does this prism have?

The arrow shown on the right is rotated 270 degrees clockwise. Draw the resulting figure after the rotation.

The Narra trees in Pototan, Iloilo are planted at equal distances between two adjacent trees. There are 125 trees along a stretch of road for a total distance of 1.86 kilometers. What is the distance in meters between any two adjacent trees?

The length and width of the rectangle shown below are 25 and 10 centimeters, respectively. What is the area of the triangle?

In the distorted star shown below, segment AB is parallel to segment XY and the measure of angle AYZ is 130 degrees. Triangle ZXY is isosceles and measure of angle BXY is 40 degrees, what is the measure of angle BAY?

A rectangle has an area of 552 square centimeters. What is the maximum number of coins with radius 3 cm can fit in the rectangle?

What is the sum of $1+2^2+3+4^2+5+6^2+7+8^2+9+10^2$?

What is the units digit when $2^{10}$ is multiplied to 45, 678?