Mia's pet lizard has grown a lot since he was a baby and she needs help measuring his length now that he's an adult. After choosing the best tool for the job, RJ goes step by step through the measurement process, modeling how to use both...

Whether you have your class plant seeds or begin when sprouts are visible, math skills are used here to predict and track growth over time. Straw bar graphs show plant height on a given day while the graph as a whole shows changes over...

Engage young mathematicians in learning about fractions with this cross-curricular math and music instructional activity. After listening to and repeating different beat patterns, children realize that musical notes are just another way...

Join Zoe as she calculates the average number of points RJ scored in his basketball games. This step-by-step presentation clearly models the procedure for finding the mean of a data set, including examples with both whole number and...