Doubles Fact Families Within 20

Get familiar with doubles fact families in this charming first-grade worksheet! Learners will be presented with five math puzzles that they can solve by finding the missing number in each fact triangle. Then, they’ll write addition and subtraction sentences to show the fact family. 

This worksheet is good practice for students working on their addition and subtraction fact fluency. It also reinforces the concept of fact families and helps students understand how addition and subtraction are related. Finally, a strong knowledge of doubles facts can give students a strategy for finding near-doubles facts. 

Further master your doubles facts with Add Doubles to 20, Doubles to 24: Maze Fun #1, and Doubles Plus One and Doubles Minus One #1.