Math Video Resources: Stepping Stones grades K-5

Math video resources to help understand best practices and strategies.

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​Origo Model
Introducing the ORIGO model for teaching concepts

Counting
Introducing the Counting Principles
Teaching the One-to-One Counting Principle
Teaching the Stable-Order Counting Principle
Teaching the Cardinal Counting Principle
Teaching the Order-Irrelevance Counting Principle
Teaching the Abstract Counting Principle

Number facts
How should number facts be written?

Addition
Introducing Types of Addition
Exploring Add-to (Active) Addition
Teaching the Count-On Strategy
Teaching the Use-Doubles Strategy
Teaching the Make-Ten (or Bridge-to-Ten) Strategy

Subtraction
Introducing types of subtraction
Teaching the Think-Addition Strategy

Multiplication
Teaching the Use-Ten Strategy
Teaching the Doubling Strategy
Teaching the Build-Up Strategy
Teaching the Build-Down Strategy

Division
Teaching the Think-Multiplication Division Strategy
Can I divide by zero?

Number line
Using number lines to represent all numbers
Using number lines to round numbers

Fractions
Introducing Fraction Models
Exploring Set Model of Fractions
Exploring the Area Model of Fractions
Exploring the Length Model of Fractions
Exploring the Number Line Model of Fractions
Interpreting fractions as part of a whole
Interpreting fractions as measures or numbers

Decimals
Does the decimal point really move?