Worksheet
Northern Arizona University

Adding and Subtracting Fractions

For Students 3rd - 5th Standards
Pattern blocks and shapes demonstrate how to add and subtract fractions. By aligning blocks with different shapes, learners figure out how to create a whole, and then how to add and delete parts from that whole.
Assessment
Inside Mathematics

Patterns in Prague

For Teachers 8th Standards
Designers in Prague are not diagonally challenged. The mini-assessment provides a complex pattern made from blocks. Individuals use the pattern to find the area and perimeter of the design. To find the perimeter, they use the Pythagorean...
Activity
Curated OER

K-5 Mathematics Module: Number and Number Sense

For Students K - 5th Standards
Reinforce number sense with a collection of math lessons for kindergarteners through fifth graders. Young mathematicians take part in hands-on activities, learning games, and complete skills-based worksheets to enhance proficiency...