Change from ₹100 and ₹500 — Mental Maths Mastery

How to do it in your head

Shopkeeper’s count — “count up from the price to the note”

1. If there are two things, add the prices first.
2. Count up from the cost: to the next ten, to the next hundred, then to the note.
3. Add the jumps — that is your change.

Use it for: Shopping, checking the change you get back, and planning how much money you need.

Worked example: You buy a kite for ₹37 and pay with a ₹100 note. How much change do you get, in rupees? → 63

✏️ Practice

Work it out in your head or on paper, type the answer and press Check. Stuck? Press “Show me how”.

🏁 Lesson 16 test

20 questions. Check each answer, then go to the next one. Get 16 or more right to pass.

🏅 Sign in with Google to earn the 💰 Change Champion badge when you pass — and a certificate when you finish all 6 lessons of Part 3 · Mental maths for daily life. You can still take the test without signing in.

🖨️ Money Change Mental Maths Worksheet

• Worksheet set 1 (PDF)
• Worksheet set 2 (PDF)
• Worksheet set 3 (PDF)