100 Square Number Riddles Worksheets | KS2 Maths Logic & Reasoning Activities

Make learning with a 100 square fun and engaging with these number riddle worksheets! Pupils use mathematical clues to eliminate numbers on a 100 square until only one possible answer remains. This interactive activity develops number knowledge, logical thinking and problem-solving skills in an enjoyable way.

Each worksheet includes a unique riddle that encourages pupils to carefully analyse clues and apply their understanding of numbers to identify the correct answer.

✨ What's Included:

• 🔢 Multiple 100 square number riddle worksheets

• 🧩 Engaging logic and reasoning challenges

• ✅ Complete answer sheets for quick and easy marking

• 👥 Ideal for self-assessment or peer marking

📝 How It Works:

Pupils read each clue and cross out the numbers on the 100 square that cannot be the answer. By following every clue carefully, they gradually eliminate the incorrect numbers until only one number remains—the solution to the riddle!

🎯 Perfect for:

• 📘 KS2 Maths (Years 3–6)

• 🏫 Independent practice

• 👩‍🏫 Maths lessons and guided groups

• 📝 Morning work, starters and early finishers

• 📚 Homework and intervention

• 🎲 Developing reasoning and problem-solving skills

These print-and-go worksheets are an excellent way to build confidence with numbers while encouraging pupils to think logically and explain their mathematical reasoning.