✏️ Practice Exercises

Number Sense

3 problems · Easy to Hard · Type your working · AI checks your steps

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How to use these exercises

Read the question → work it out step-by-step in the box → click Check My Working to get AI feedback. Use hints if stuck. Reveal the full solution only after you have tried.

01

easy

Round 273 to the nearest hundred:

💡 Show hint

7 ≥ 5 → round up.

Your Working

02

medium

Estimate 47 × 22:

💡 Show hint

Round both numbers and multiply.

Your Working

03

hard

Order from smallest: 0.6, 1/2, 0.55, 3/5

💡 Show hint

Convert all to decimals.

Your Working

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