It looks like a simple math sum but has left people scratching their heads... can you solve it in 30 seconds?

It looks simple at first, but this math problem has the internet stumped. Don't be fooled - it demands more brainpower than ...

SOF IMO Syllabus for Class 1 to 12, Check Level 1 & 2 SOF IMO Syllabus and Exam Pattern

Check the latest SOF IMO 2025 syllabus and exam pattern for Classes 1 to 12. Know section-wise topics, marking scheme, and ...
BBC

How can compensating make adding and subtracting easier?

24 meebs started the race, but 9 have dropped out. How many meebs does that leave on the track? SNOOT: Er… Uh… NARRATOR: Let’s see. Taking away 9 can be a bit ...
BBC

How can bridging through 10 help me to add and subtract?

NARRATOR: Don't worry Snoot. A handy way of working out 5 add 7 is to make 10 first. Take your 5 shells Snoot, and add 5 from Fin's 7, which equals 10. That leaves 2 shells left over. So just add 2 to ...