In this two-digit addition instructional activity, 3rd graders add 17 sets of two-digit numbers and write each sum. A 3-part bonus question requires students to add all 17 numbers together.

Young mathematicians construct their own understanding of integers with an inquiry-based math lesson. Using colored chips to represent positive and negative numbers, children model a series of addition and subtraction problems as...

Transform your class into a team with a lesson about thinking and working interdependently. As they reflect on important roles for a group, elementary and middle schoolers learn to work together and think of ways that compliment...

In this math worksheet, students practice using the four basic operations to simplify the 7 math squares. The answers are found on page two.