GRADES 3–4 · VISUAL METHODS
Algebra
Five clear number methods with interactive, step-by-step models.
TOPIC 1 · GRADES 3–4
Addition and Regrouping
Add by place value and trade 10 ones for 1 ten.Explore theory →TOPIC 2 · GRADES 3–4
Subtraction and Regrouping
Subtract by place value and exchange 1 ten for 10 ones.Explore theory →TOPIC 3 · GRADES 3–4
Multiplication Methods
Build products with equal groups, arrays, and partial products.Explore theory →TOPIC 4 · GRADES 3–4
Division Methods
Share equally, make groups, and use multiplication facts.Explore theory →TOPIC 5 · GRADES 3–4