The numeration section is very good for kindergarten teachers to adopt in the kindergarten mathematics classroom. This site provides a coloring worksheet for first graders. Teachers can print out the worksheet for children to color and write numbers 1-12. This is the site to provide ideas and activity procedures for teachers to teach second grade mathematics. With these ideas and activities, children learn to add and subtract through playing domino games.
Teachers can adopt the activity to teach addition and subtraction in the third grade classroom.
This site provides an activity idea for teachers to teach estimation of the height of an object. This is a story and addition activity site. Teachers can bring stories to class and have students do mental math to find out the magic sum with the numbers in a square mat. This is a site particularly suitable for elementary school teachers, from pre-kindergarten to grade 5. However, it is also a good resource site for teachers to design and prepare homework assignments.