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Virginia Department of Education
Integers: Addition and Subtraction
Young mathematicians construct their own understanding of integers with an inquiry-based math instructional activity. Using colored chips to represent positive and negative numbers, children model a series of addition and...
Curated OER
It's All in the Pattern
Here is a fantastic, nine-page, multi-session lesson plan on the Zia Sun Symbol (found on the New Mexico state flag), and the seasons of the Earth. Everything you need to implement the lesson is here, and the many engaging activities are...
Illustrative Mathematics
Kitchen Floor Tiles
An interesting way to look at the kitchen floor is to count the number of tiles in the border. Fred starts with four white floor tiles and writes an expression for the number of tiles needed for the colored border. Algebra learners are...
Oklahoma State University
Hairy Heredity
Young scholars learn that heredity comes down to the flip of a coin with this cross-curricular math and science lesson plan. Using smiley faces as a model, students toss coins to determine which dominant or recessive...
Illustrative Mathematics
Waiting Times
Probability prevails in this assignment as youngsters determine the probability of finding a blue pen in a cereal box when they can come in blue, green, yellow, or red. Learners set up a simulation to determine the outcome of compound...
Illustrative Mathematics
Make Your Own Puzzle
Puzzling over what geometry instructional activity to teach next? Look no further. This simple activity teaches young mathematicians how shapes can be decomposed into smaller figures, and how smaller figures can be assembled into larger...