Addition and Subtraction

The Order of Adding Two Numbers

Taken from Grade 4 Play! Maths.

The Order of Subtracting Two Numbers

Taken from Grade 4 Play! Maths .

Inverse Operations

Taken from Grade 4 Play! Maths.

Adding 3-digit numbers

Taken from Grade 4 Play! Maths.

Subtracting 3-digit numbers (without “borrowing”)

Taken from Grade 4 Play! Maths.

Subtracting 3-digit numbers (with “borrowing”)

Taken from Grade 4 Play! Maths.