YEAR 2 · PRIMARY MATHEMATICS
Addition and subtraction.
Addition and subtraction: facts within 20, one-/two-digit calculations, partitioning to calculate.
6 lessons
Work through the topic
Learn the method, follow the examples, then try the worksheet.
- 01
Facts within 20
Use known facts and ten to work out addition and subtraction within 20.
- 02
One-/two-digit calculations
Choose a clear way to add and subtract one- and two-digit numbers.
- 03
Partitioning to calculate
Split numbers into useful parts to make calculations easier.
- 04
Related addition and subtraction facts
Use one fact to write and explain related addition and subtraction facts.
- 05
Finding missing numbers
Find an unknown part or whole while keeping both sides of an equation equal.
- 06
Checking addition and subtraction
Check a calculation by estimating, using a different method or undoing it.
AFTER THE LESSONS
Topic review Topic review
Revisit the key ideas and return to any lesson you want to practise.