Introductory combination problems, like if you have 5 friends and can pick 2 of them to join you on a boat ride, how many different groups of friends could you take with you? Students receive immediate feedback and have the opportunity...

It's time for lunch! For this week-long adventure, children will explore numbers and counting in the context of healthy eating. They will learn about the five food groups and create a healthy lunch using foods from each food group. Each...

Second graders should be able to recognize what makes one number greater or smaller than another, using place value understanding which is crucial to Common Core mastery. This lesson combines math and science by having students order...