A recently resurfaced video by a college math instructor has introduced people to an easier way of adding and subtracting large numbers. Howie Hua shared the trick with his followers on Twitter, ...

Represent teen numbers with addition and subtraction equations involving one 10. Represent 10 using a number bond and 10-frame with a missing addend. Use Notice and Wonder with a 10-frame, connecting ...

Add and subtract within 100 using compose, decompose, and place value strategies. Engage with a number talk to sum near-doubles using compensation. Add and subtract within 100 in more than one way.

There are those who believe that children learn math skills by merely observing the world around them, and that they don’t need to practice rote addition, subtraction, multiplication, and division.

To the editor: Stanford professor Jo Boaler is hopeful about new approaches to teaching math, and I am hopeful too. In school, I encountered the wall of indifference in learning math that Boaler talks ...