Addition within 20. Part of Learn & revise. ... We can use a bar model to show this calculation. Or a ten frame. By using a ten frame you can easily see that 20 is made up of two 10s.

Fractions and Bar Modeling - Dr. Darlyne deHaan -Sixth Grade 5/5/2020 | 58m 2s Video has Closed Captions | CC In this math lesson, students learn multiple ways to add fractions and about bar modeling.