As set out by the National Governors Association (NGA) and the Council of Chief State School Officers (CCSSO) in the Common Core State Standards Initiative. For more information, please visit the Operations and Algebraic Thinking domain at the Common Core State Standards website.
January 10, 2018
Long before young children are writing equations with the equal sign, they are exploring how amounts that look different can actually be equivalent.
This simple interaction between caregiver and toddler is a demonstration of very early mathematical concepts, or "precursor concepts."
Cutting paper hearts for Valentine’s Day math fun is a common, early experience with symmetry for many young children.
One of the best ways to delve into the rules and patterns that govern algebra is through the books that are read to children each and every day.
A child is pushed to decipher the repeating pattern in an array of blocks. Then he attempts to continue the pattern.
Preschool storytime is a great time to teach mathematics! In this video, two teachers use Ellen Stoll Walsh's "Mouse Count" to illustrate the concept of "less and more."
This second grader demonstrates an interesting choice for a mathematical model by graphing.
Reading a "touch-and-feel" book or singing an action song with a baby or toddler is setting the groundwork for mathematical thinking and future school success. That's the point of Math All Around Me (MAAM), a joint…
A Chicago-area teacher's intentional teaching and efforts to differentiate for students of varying ability and confidence resulted in a rich math lesson. Based on Audrey Wood's classic book The Napping House, students created their own…
This blog post provides some great ideas for first grade Number Talks sessions. These 10-15 minute activities can be centered around the rekenrek or dot cards and are designed to reinforce students’ understanding of number…