Place the number discs along the sides of the triangle.
Make sure each sum equals the target number.
Make your own number puzzles!
More Math Games to Play
Magic Triangle - Learning Connections
Essential SkillsMental Math - practice number bonds and missing addends
Common Core Connection for Grades 1+Apply properties of operations as strategies to add and subtract.
Add and subtract within 20, demonstrating fluency for addition and subtraction within 10.
Add within 100, including adding a two-digit number and a one-digit number.
Fluently add and subtract within 20 using mental strategies.