Curated OER
Magic Math Morning Work
In this fact families activity, students solve 10 problems in which single digits are added with sums to ten. Students then check each problem using subtraction.
Primary Resources
Primary Resources: Addition and Subtraction Resources
Here's an extensive selection of teacher resources to aide in teaching and reviewing addition and subtraction. You will find resources on the vocabulary used in word problems, column addition, checking addition and subtraction, games,...