What this lesson covers
Addition 1-20 is a 6-part Class 1 Mathematics lesson. Each part makes one point and then hands over to the next, so it can be read in a sitting or picked up again at the part you stopped on. It defines the idea in plain words before using it, works through an example step by step, breaks the topic into its parts and compares them, ends with a recap of what to remember.
How it begins
When we add, we put two groups together and count them all. The sign for adding is +.
The 6 parts
- Adding means putting together
- Count on your fingers
- Swapping is allowed
- Adding to make 10
- You can add!
- Watch one worked through
Practise Addition 1-20
Everything on QuizByt for Class 1 Mathematics that goes with this lesson: read it first, then test yourself while it is fresh.
🧠 3 quizzes on Addition 1-20 (3 easy)
Start easy straight after reading, while Addition 1-20 is fresh, and the score is kept against this topic.
🖨️ Printable worksheet
Addition 1-20 on paper for Class 1, with room to write the working out. Preview the first page free.
🎮 Games for Class 1 Mathematics
Number and logic games at the right level for Class 1. Passing a quiz on Addition 1-20 earns the credits that open them.
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