Numbers can be rounded to significant figures, which are usually non-zero digits. Practice how to round to significant figures ahead of your National 5 Maths exam with this maths quiz.

Scientific American presentsMath Dudeby Quick & Dirty Tips. Scientific American and Quick & Dirty Tips are both Macmillan companies. In the last Math Dude episode, we learned the ins and outs of ...

A GCSE Maths video about how and why we round numbers to significant figures. Significant figures start at the first non-zero number.

Use place value cards to practice rounding numbers to the nearest ten and hundred. Warm up with a Mystery Math Mistake to hunt for the mistake made counting up on the number line. Use place value ...