Addition Mastery

Master addition from counting on your fingers to multi-digit problems. This path guides learners from basic single-digit sums through regrouping and multi-addend addition, building fluency and confidence with every step.

4 stepsBest for: Grades K-3

Step 1 · Kindergarten

Counting and Single-Digit Addition

Begin with the basics: adding single digits up to 10 and understanding the concept of zero in addition.

Adding Single Digits Adding with Zero

Step 2 · Grade 1

Addition Fluency Within 20

Build addition fluency with doubles, making ten, and sums up to 20. These strategies form the foundation for mental math.

Adding Single Digits Adding with Zero Adding Doubles Making 10 Adding to 20

Step 3 · Grade 2

Two-Digit Addition and Beyond

Advance to two-digit addition with and without carrying, add three numbers together, and practice mixed addition and subtraction.

2-Digit Addition (No Carrying)2-Digit Addition (With Carrying)Adding Three Numbers Mixed Addition & Subtraction

Step 4 · Grade 3

Multi-Digit Addition

Tackle three-digit and four-digit addition problems, applying regrouping skills to larger numbers while practicing mixed operations.

3-Digit Addition 4-Digit Addition Mixed Addition & Subtraction