Use Base-Ten diagrams and standard, expanded, and word forms to represent numbers. Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Find Which One ...

Thanks for joining me today. My name's Mrs. Gray, and I can't wait to do math with you, Today, we're gonna be doing a word problem with our friend Professor Barble. We're also going to be doing snap ...

Linda Galligan is a board member the Australian Mathematical Sciences Institute. We are all born with a brain that understands maths. So are animals, to some extent, but perhaps algebra would be a bit ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

This Pi Day, as you’re enjoying your slice of pie, explore a bigger slice of mathematics. Most March 14 celebrations are obsessed with the number pi. If you think “obsessed” is too strong, take a look ...