Discover maths tricks that always end with the same result, no matter the starting number!
Start with any number. The magic begins!
Multiply by 2, then add 4. Watch the transformation unfold.
Halve the result, then subtract your original number. Voila! It's always 2.
Let your students pick their favourite number to start.
Multiply by 2 and add 6. The magic is building!
Divide by 2, then subtract the original number. It's always 3!
Let imagination run wild. Any number will do!
Double the number, then add 8. The plot thickens!
Halve the result, subtract the original. Always 4!
The starting point doesn't matter. It's all part of the trick!
Multiply by 2, add 10. The magic is in motion!
Divide by 2, subtract the original. Tada! It's always 5.
Start with any number. The magic is universal!
Multiply by 2, then add 12. Watch the numbers dance!
Halve the result, subtract the original. Always 6!
Start with any number. Double it. Add 14. Divide by 2. Subtract your original number. The result is always 7!
The trick uses algebra. By adding 14 (2 × 7) in the middle, we ensure the final result is always 7.
Use this trick to introduce algebraic thinking. Challenge students to figure out why it always works!
Choose any number. The cosmic maths will align!
Multiply by 2, add 18. Feel the universal constants at work!
Divide by 2, subtract the original. Behold! It's always 9.
Pick the final number you want to achieve.
Use: 2x + 2N, then divide by 2 and subtract x (where x is the number picked).
The magic works for any starting number and any chosen N!
The Answer is Always…..