Activities about associative property

3 activities Topic: associative property

🧩In this updated activity, students will explore estimation and addition with a collection of puzzles. It’s important to start with the starter slides, where students will use their...

Number Sense 3-act tasks Grades 2–5

Gauss and our star of stars

How many stars are in this image and how did you count them? For Adventurer members we have a teaching suggestions and our solution sheet.

Number Sense Geometry Grades 3–7

Will our U.S. flag change yet again?

How many stripes are in our present flag? (The bottom right flag that has been in use since 1960; See the PowerPoint) How many stars? What do the...

Algebra Geometry Grades 3–6