Many mental math strategies rely on students being able to “jump” tens. For example, 10 more than 28 is 38. The fancy math term for this skill is counting by 10s off the decade. In other words, not just counting 10, 20, 30, 40, etc., but also counting 17,...

Many teachers still approach problem-solving as if it is a standalone topic to be taught in isolation. There are classrooms with Problem Solving Friday, for example. Doesn’t that send the message that we don’t do problem-solving on Monday through Thursday?...

A 120 chart is a great tool for supporting addition and subtraction with our younger kiddos, especially as they start to work with larger numbers. I would suggest having kids add and subtract using a 120 chart before teaching them any kind of formal computation....

The talented folks at Graphics From the Pond had a fabulous holiday idea! They made the cutest little ghosts and offered them to TpT friends to use for making activities. My offering is Ghostly Make Ten, and it’s a freebie! This post contains affiliate links,...