Big Idea
This mission gives you one clear skill, then checks it step by step.
Statistics and Data
Read charts and calculate mean, median, mode, and range.
Understand it first
Look
Read the question carefully and underline the important numbers.
Choose
Pick the method that matches the topic, not just the first operation you see.
Check
Ask whether your answer is sensible before moving on.
Method Ladder
Use this same ladder every time you meet this topic.
- Write down what the question is asking.
- Choose the correct method.
- Work one step at a time.
- Check your answer with a quick estimate.
Worked example
- Read the problem slowly.
- Identify the key number or rule.
- Apply the method.
- Write a final answer with clear working.
Fix It Lab
Read these before the quiz. They are the traps that lose marks.
- Common mistakeRushing and using the wrong operation.
- Common mistakeSkipping working, then not spotting a small error.
- Common mistakeNot checking whether the answer makes sense.
10-question unlock quiz
Answer one question at a time. The next question opens only after a correct answer.
Start Question 1