2020 Ecolier Test | Test and Chat

Back to KangarooMath

2020 Ecolier (Grade 3 - 4)

Questions: 24 | Answered: 0

Q1. A mushroom grows up every day. For five days Maria took a picture of this mushroom, but she

3 points

ABCDE

Question 1

Q2. meters long by half a meter wide, just like this one: . The picture beside shows this fence, after it is ready. How long is the fence, in meters?

3 points

ABCDE

Question 2

Q3. John paints the squares of the board next to it if the result of the calculation inside them is 24. How did the painting of the board look?

3 points

ABCDE

Question 3

Q4. Which of the following pictures can you NOT do with all the pieces beside?

3 points

ABCDE

Question 4

Q5. Eli drew a board on the floor with nine squares and wrote a number on each of them, starting from 1 and adding 3 units to each new number he wrote, until he filled the board. In the picture, three of the numbers that Eli wrote appear. What number below can be one of the numbers she wrote in the colored box?

3 points

ABCDE

Question 5

Q6. Paulo took a rectangular sheet of paper, yellow on one side and green on the other side and, with several folds shown in the dotted lines in the figure below, made a little paper plane. To give the airplane a charm, Paulo made a circular hole, marked on the last figure. After playing a lot with the plane, Paulo unfolded the sheet and realized that there were several holes in it. How many holes did he count?

3 points

ABCDE

Question 6

Q7. Five children should paint three quarters of the total amount of the little squares on their trays. One of the children A, B, C, D or E was wrong. Which one?

3 points

ABCDE

Question 7

Q8. Gaspar has these seven different pieces, formed by equal little squares. He uses all these pieces to assemble rectangles with different perimeters, that is, with different shapes. How many different perimeters can he find?

3 points

ABCDE

Question 8

Q9. Janaína made the construction on a grid, using some lighted colored cubes and others darker. Looking from above the construction, what can she see?

4 points

ABCDE

Question 9

Q10. Cynthia paints each region of the figure in a single color: red, blue or yellow. She paints with different colors the regions that touch each other. In how many different ways can Cyntia paint the figure?

4 points

ABCDE

Question 10

Q11. Denis ties his dog, using an 11-meter rope, one meter away from a corner of about 7 meters by 5 meters, as illustrated. Denis places 5 bones near the fence, as shown in the picture. How many bones can the dog catch?

4 points

ABCDE

Question 11

Q12. 5 wrongly ordered the photos beside. What is the sequence of photos that correctly shows the mushroom growth, from left to right?

4 points

ABCDE

Question 12

Q13. Amelia built a crown using 10 copies of this piece . The parts were joined together so that the sides in contact had the same number, as shown in the picture, where four parts are visible. What is the number that appears in the colored triangle?

4 points

ABCDE

Question 13

Q14. Julia drew the picture on the side of a cardboard sheet, cut, folded and glued to form a cube. Which of the cubes below can be the one she did?

4 points

ABCDE

Question 14

Q15. Whenever the kangaroo goes up seven steps, the rabbit goes down three steps. When the kangaroo is on step number 56, on which step will the rabbit be?

4 points

ABCDE

Question 15

Q16. Ana, Bia and Cris have, together, 100 reais. They go to the movies and each one pays their own entrance fee. Ana had twice as much as each of her friends before they paid the entrance fee. Now Ana has three times what the two friends have together. How much did the entrance to the movie cost?

4 points

ABCDE

Question 16

Q17. There are three flowers on the back of the left cactus. In total, the cactus on the right has six more flowers than the cactus on the left. How many flowers are on the back of the right cactus?

5 points

ABCDE

Question 17

Q18. The 4 x 4 grid without a little square, shown beside, was divided into three equal pieces. Which of the following figures represents one of these pieces?

5 points

ABCDE

Question 18

Q19. The sum of the points on the opposite sides of a common dice is 7. This dice is placed in the first square as shown in the figure, and then rolled as shown in the figure, to the fifth square. When the dice reach the last square, what is the product of the numbers of points shown on the two colored vertical faces?

5 points

ABCDE

Question 19

Q20. rooms numbered from 1 to 20. The code to enter the room is formed by joining the floor number with the room number, in that order. But this code can be con- fusing, as shown in the picture. Note that the code 101 is not confusing, as it can only refer to floor 10 and room 1 and never to floor 1 and room 1, as it has the code 11. How many codes are confusing, including the one in the figure?

5 points

ABCDE

Question 20

Q21. The teacher wrote the numbers 1 to 8 on the board. Then he covered the numbers with triangles, squares and a circle. The sum of the numbers covered with the triangles equals the sum of the numbers covered with the squares and the number covered with the circle is a quarter of that sum. What is the sum of the numbers covered with the triangles and the circle?

5 points

ABCDE

Question 21

Q22. Joana has several sheets of paper with the drawing of a parrot . She wants to paint only the head, tail and wing of the parrot, red, blue or green, and the head and tail may have the same color, but the wing may not have the same color as the head or tail. How many leaves can she paint, so that there are not two parrots painted the same way?

5 points

ABCDE

Question 22

Q23. Jonas and Elias went to the beach for their vacation, where they had ice cream every day. The ice cream they had, had two or three balls. On the last day of vacation, Jonas and Elias had 23 and 19 ice cream balls, respectively. At least how many days they were on vacation?

5 points

ABCDE

Question 23

Q24. The Kangaroo Hotel has 30 floors numbered from 1 to 30 and each floor has

5 points

ABCDE

Question 24

2020 Ecolier Test | Test and Chat