Posted: May 25, 2020
The relationship between addition and subtraction is best understood with Fact Families.
6+5=11
5+6=11
11-5=6
11-6=5
With the following video, you can stop it and wait for your child to write the fact family then play it to see if they were successful.
| Attachment | Size |
|---|---|
 fact_family_triangles.pptx | 304 KB |