## Instructions:

Insert numbers into empty fields in triangle (grape). The sum of two neighbouring numbers in one row must be equal to number below those fields. You may use only "pranskters" - numbers, which are known and located below triangle (grape).

30
20
1
7

8

21

29

50

71

100

30
20
1
7
50
21
8
71
29
100

## Solve exercises

 Triangles with pranksters: 1stGRADE, TRIANGLES WITH PRANKSTERS 32nd grade, Triangles with pranksters 3 levels2nd grade, Triangles with pranksters 4 levels3rd grade, Triangles with pranksters 3 levels3rd grade, Triangles with pranksters 4 levels4th grade, Triangles with pranksters 4 levels4th grade, Triangles with pranksters 5 levels5th grade, Triangles with pranksters 4 levels5th grade, Triangles with pranksters 5 levels6th grade, Triangles with pranksters 3 levels Number of exercises:

## Exercises with more solutions

 Triangles with pranksters: 1stGRADE, TRIANGLES WITH PRANKSTERS 32nd grade, Triangles with pranksters 3 levels2nd grade, Triangles with pranksters 4 levels3rd grade, Triangles with pranksters 3 levels3rd grade, Triangles with pranksters 4 levels4th grade, Triangles with pranksters 4 levels4th grade, Triangles with pranksters 5 levels5th grade, Triangles with pranksters 4 levels5th grade, Triangles with pranksters 5 levels6th grade, Triangles with pranksters 3 levels Number of exercises: