This post contains affiliate links. If you purchase through these links, I may earn a small commission at no additional cost to you. You can read more about how I choose affiliates and products...
Posts by Barbra
This post contains affiliate links. If you purchase through these links, I may earn a small commission at no additional cost to you. You can read more about how I choose affiliates and products...
There are array types appropriate for all stages of math learning from counting through mid-level algebra. They help bridge new ideas to old, give students tools to explore and dive deeply into...
This post contains affiliate links. If you purchase through these links, I may earn a small commission at no additional cost to you. You can read more about how I choose affiliates and products...
This post contains affiliate links. If you purchase through these links, I may earn a small commission at no additional cost to you. You can read more about how I choose affiliates and products...
We can add numbers -- even large numbers -- without carrying. Carrying is really just a shorthand notation for thinking of 10 units in one place value as 1 unit in the next place value. Thus, it's...