Arithmetic triangles 1st grade - solve online or print as PDF
Arithmetic triangles - how do you solve an arithmetic triangle?

the plus calculation (addition) up to 20
Arithmetic triangles - How do you solve an arithmetic triangle?
We use arithmetic triangles to solve addition tasks. The two numbers next to each other are added together. The solution is written in the box next to the numbers outside the triangle.
On this page we practise adding numbers from 1 to 20 with arithmetic triangles Grade 1.
Arithmetic triangles - Arithmetic to 10
Triangles to 20 - Find the solutions online
Worksheets with arithmetic triangles - as PDF
Solve arithmetic triangles
Worksheets to print out or as a PDF for GoodNotes or oneNote on the tablet computer.
6 pages with the arithmetic triangle exercises on this page!
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Worksheets to print out