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Making Algorithms Efficient
Compare algorithms and choose the one that does the job with fewer steps.
⏱ 20 min❓ 7 questions
What you'll be able to do
- ✔I know an efficient algorithm uses fewer steps
- ✔I can compare two algorithms for the same job
- ✔I can use loops to make an algorithm shorter
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
7 questions and 1 quick teaching card, including:
- 🔘Multiple choice — Tap the answer you think is best, then check it.
- ✏️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: AC9TDI6P02, AC9TDI6P03