This is an awesome site with a video type lesson that has interactive practice.
Click over to find this activity on the geoboard. Extend with other shapes. I have geoboards if you would like for your kids to work problems as you model. This SLE is not addressed in Saxon.
This site has a progression of fraction activities that will scaffold students' understanding of fractions. Remember that the SLE for this quarter is that kids need to represent commonly used fractions using words and physical models.
Identify halves, thirds, and fourths to get across the river.
Your SLE is to compare and make geometric shapes based on their properties independent of position or size. This is a great site to practice this skill by analyzing the number of sides of polygons. It would be a great station game for two players.
This site has kids match two dimentional shapes with three dimentional figures in nature. This skill is not taught to mastery in Saxon.
This site lets you create practice pages. The fact that you can set the denominator will allow you to differentiate your lesson.
This 3-D shape rap is addictive!
Children drag halves of shapes to find the matches. This SLE is not addressed in Saxon.