Representing text with ASCII

Encode and decode words using ASCII codes in decimal and binary, just like a computer does.

⏱ 20 min❓ 8 questions

What you'll be able to do

✔I can explain that ASCII gives each character a number
✔I can encode and decode short words using ASCII in decimal
✔I can convert an ASCII code into 8-bit binary

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:

🔢Number answer — Work out the answer and type the number.
✏️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.

Curriculum: AC9TDI8K03