Divide by a 2-digit number — Mental Maths Mastery

How to do it in your head

Chunk or simplify — “take away big table chunks, or halve or double both numbers first”

1. Chunking: take away × 10 or × 20 of the divisor, then divide what is left, and add the chunks.
2. Both numbers even: halve both — the answer does not change.
3. Divisor ends in 5: double both, so the divisor ends in 0.

Use it for: Sharing a bill among a class, price per item in a pack of 12, and checking long division.

Worked example: 432 ÷ 16 = 27

✏️ Practice

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

🏁 Lesson 25 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 🍫 Chunk Chomper badge when you pass — and a certificate when you finish all 9 lessons of Part 4 · Bigger numbers, fractions and the calendar. You can still take the test without signing in.

🖨️ Division by 2-Digit Numbers Worksheet

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