Students put objects and materials into groups based on their observable properties, test materials for strength and absorbency, and use their results to make a boat that can hold the most pennies ...

In this lesson, students go over basic coin recognition skills. In this lesson, students go over basic coin recognition skills, adding coins to reach a given amount, and to find the difference between ...

Addition & subtraction strategies to solve two-digit equations using an open number line. In this lesson, students go over using different addition and subtraction strategies to solve two-digit ...