Leaf and STEM Learning

As teachers, we know how difficult it can be for students to learn how to add and subtract fractions with unlike denominators. Use this introductory lesson and pattern blocks manipulatives to help students gain confidence! This lesson includes a set of guided task cards to use to introduce the manipulative. Then, with word problems that have been carefully composed to work with this manipulative and mat, you can teach addition and subtraction in real-world context. Also included are twelve

These three prime and composite number math centers and games are designed to reinforce prime and composite identification with numbers 1 through 100. A Venn diagramming activity has students sort numbers by properties such as prime and composite and even and odd. A recording sheet with open ended questions is included to push the students to think deeply about the relationship between the numbers’ properties. The second game is a maze that challenges students to move based on whether the num