Math Addition to 20 Review Pages!!5 addition worksheets for differentiated instruction! ~Both printable and digital versions~ When I taught 1st grade, we did daily math fact review pages. I often found myself drawing counters and number lines on the margins for students who needed a little more support - so I decided to make an official version! You can give the pages to the class in order, OR start the whole class on the triangle page. Then, use the circle and square for remediation, and the