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Binary addition
Add binary numbers column by column, carry like a computer and check your answers in decimal.
⏱ 20 min❓ 8 questions
What you'll be able to do
- ✔I can apply the four rules of binary addition
- ✔I can add two binary numbers including carries
- ✔I can check a binary sum by converting to decimal
How this works
- 1Read the short explanations first — they teach you what you need before each question.
- 2Answer each question, then tap Check. A right answer moves you on automatically; if it's wrong, you'll see a friendly explanation of why.
- 3Finish all 3 steps to see your score — sign in and subscribe to unlock the full lesson and save it.
What's inside
8 questions and 1 quick teaching card, including:
- 🔗Match the pairs — Choose the partner that goes with each item.
- ✏️Fill in the blank — Type the missing word to complete the sentence.
👪Grown-up tip: sit alongside younger learners for the first few lessons. Read the questions together and chat about the explanations — that's where the real learning sticks.
Sign in and subscribe to unlock the full lesson and save your progress.
Curriculum: AC9TDI8K04