✏️ Practice Exercises

Addition

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

34 + 28 = ?

💡 Show hint

Add ones first, carry to tens.

Your Working

02

medium

Sum of first 10 natural numbers (1+2+…+10)?

💡 Show hint

Use the formula n(n+1)/2.

Your Working

03

hard

A shop sold 245, 187, 312, and 98 items in 4 weeks. Total?

💡 Show hint

Add all four. Round to estimate first if helpful.

Your Working

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