Custom math worksheets at your fingertips
dw-Math logo

Details for problem "Magic triangle with sums to be filled in correctly"

Quickname: 1655

Suitable for K-12 grades: Grade 3 Grade 4 Grade 5 Grade 6 Grade 7 Grade 8

Elementary School, Primary School, Junior High School, Middle School, High School.


In a magic triangle, six numbers have to be filled in correctly.


In a magic triangle, six numbers have to be filled in correctly. (Example for this math problem) In a magic triangle, six numbers have to be filled in correctly. (Example for this math problem)


A magic triangle is shown. The triangle consists of six boxes that form the three vertices and the three edges. Across each edge, a number is indicated. Numbers have to be filled in in a way that the sum of the boxes along each edge matches the number indicated.

The numbers are whole numbers and can be selected to be positive, negative or both. The number of decimal places can be chosen.

Some boxes may be already filled with the correct numbers. There are multiple options on which of the boxes are already filled in. As a further aid, a sorted list with the numbers to be filled in can be provided with the problem.

The number of problems can be selected.

Topics: Arithmetic Elementary arithmetic Puzzles Rational Numbers Whole Numbers

Tags: Addition Subtraction

Free worksheets and solution sheets with answers for download

Download free printable worksheets for this math problem here. The worksheet contains the problems only, the solution sheet includes the answers. Just click on the respective link.

If you can not see the solution sheets for download, they may be filtered out by an ad blocker that you may have installed. If this is the case, please allow ads for this page and reload the page. The solution sheets will then reappear.

With a free initial credit, you can start creating your own math worksheets in a few minutes.

You can try it for free! Register here, to create custom worksheets now!

Customization options for this problem

Possible values
Number of problems
1, 2, 3, 4, 5, 6
Number range
20, 30, 40, 50, 100, 200, 500, 1000, 10000, 100000
Decimal places
0, 1, 2, 3
mixed, positive, negative
Numbers already filled
Yes, No
Numbers to be used given
one, outer ones, inner ones, two in a row, three in a corner, none

Similar problems

Name and direct link
Another fill-in problem: Frames and arrows
In a frames and arrows calculation chain task, the results are to be filled in the blank spaces.

Creative Commons License
You may pass on the worksheets offered for download on this page to others, but not modify or sell them.
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Deutsche Version dieser Aufgabe
These informational pages with samples describe math problems that can be combined on custom math worksheets with solutions for home and K-12 school use.
Please visit the dw math main page for more information!
Privacy policy and imprint
Deutsche Seiten