Скачать или смотреть Math Kangaroo 2021 Full Solutions (Level 3 - Grades 5 & 6)

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00:00 - Intro
00:45 - Q1 Which of the following solid shapes can be made with these 6 bricks?
01:43 - Q2 In how many places in the picture are two children holding each other with their left hands?
04:18 - Q3 In the square you can see the digits from 1 to 9. A number is created by starting at the star, ...
07:00 - Q4 Sofie wants to write the word KENGU by using letters from the boxes. She can only take ...
08:25 - Q5 When the 5 pieces xxx are fitted together correctly, the result is a rectangle ...
12:00 - Q6 A measuring tape is wound around a cylinder. What number should be at the place shown ...
13:26 - Q7 The 5 figures on the grid can only move in the directions indicated by the black arrows. ...
15:43 - Q8 Carin is going to paint the walls in her room green. The green paint is too dark, so she ...
17:45 - Q9 Mary had a piece of paper. She folded it exactly in half. Then she folded it exactly in half again. ...
19:30 - Q10 Approach 1: There is a square with line segments drawn inside it. The line segments are drawn either from
21:40 - Q10 Approach 2
23:55 - Q11 The number 5021972970 is written on a sheet of paper. Julian cuts the sheet twice ...
32:15 - Q12 Approach 1: The map shows three bus stations at points A, B and C. A tour from station A to the Zoo ...
35:12 - Q12 Approach 2 (Algebra)
37:43 - Q13 Rosa wants to start at the arrow, follow the line, and get out at the other arrow. Which ...
40:42 - Q14 The diagram shows 3 hexagons with numbers at their vertices, but some numbers are ...
43:23 - Q15 Approach 1 3 rectangles of the same height are positioned as shown. The numbers within the ...
45:24 - Q15 Approach 2
47:51 - Q16 Approach 1 A triangular pyramid is built with 10 identical balls, like this xxx. Each ball has one of the ...
49:54 - Q16 Approach 2
53:08 - Q17 Approach 1 Ronja had four white tokens and Wanja had four grey tokens. They played a game in ...
55:54 - Q17 Approach 2
58:23 - Q18 Three pirates were asked how many coins and how many diamonds their friend Graybeard ...
01:00:05 - Q19 There were 20 apples and 20 pears in a box. Carl randomly took 20 pieces of fruit ...
01:04:05 - Q20 In a railway line between the cities X and Y, the trains can meet, traveling in opposite ...
01:08:13 - Q21 Ann, Bob, Carina, Dan and Ed are sitting at a round table. Ann is not next to Bob, Dan ...
01:10:35 - Q22 Maurice asked the canteen chef for the recipe for his pancakes. Maurice has 6 eggs, ...
01:16:26 - Q23 The picture shows 3 gears with a black gear tooth on each. Which ...
01:18:19 - Q24 An apple and an orange weigh as much as a pear and a peach. An apple and a pear weigh ...
01:24:37 - Q25 Approach 1: What is the smallest number of shaded squares that can be added to the diagram to ...
01:27:10 - Q25 Approach 2
01:28:33 - Q26 Approach 1: My little brother has a 4-digit bike lock with the digits 0 to 9 on each part of the lock as ...
01:32:17 - Q26 Approach 2 (Smart :)
01:33:53 - Q27 Each shelf holds a total of 64 deciliters of apple juice. The bottles have three different sizes: ...
01:38:25 - Q28 A large cube has side-length 7cm. On each of its 6 faces, the two diagonals are drawn in red. ...
01:41:40 - Q29 In a group of 10 elves and trolls, each were given a token with a different number from 1 to 10 ...
01:45:55 - Q30 There are rectangular cards divided into 4 equal cells with different shapes drawn in ...
01:49:30 - End

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