Let's say you're a parent helping a Grade 1 child with their math, and they're subtracting eight from 17, using small items — counters — like Smarties, multicoloured Rocket candies or Lego pieces. The ...

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 ...