When you estimate a number you decide approximately, or roughly, how big that number is. To estimate accurately, you need to have a good understanding of the value and order of numbers. A number line ...

We present a case study of teaching and learning fraction addition on number lines in one 6th-grade classroom that used the Connected Mathematics Project Bits and Pieces II materials. Our main ...

This video will help your child's understanding of fractions! WSKG is here to help you help your child understand the basic concepts of the common core curriculum with our Good To Know video series!

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Kids who visualize numbers as an evenly spaced line are better at remembering the digits than ...