This instructional activity uses rhyming and visualization to help students quickly add number facts that make ten.

Second graders demonstrate comfort with addition, but show less ease with subtraction. Repeated practice with subtraction is necessary to build fluency.

The purpose of this task is to help students develop flexible strategies for adding and subtracting within 20. Students will pick 5 number cards from pre-made cards labeled 1-10. Then, another student will pick a "target number" between...

Students will work as a class to solve word problems involving addition, subtraction, multiplication, and simple fractions. To culminate the instructional activity, students will create their own word problems.