PhET is a suite of research-based interactive computer simulations for teaching and learning physics, chemistry, math, and other sciences. PhET simulations can be run online or downloaded for free. The simulations are animated, interactive, and game-like environments where students learn through exploration. PhET has an extensive searchable library.
Math explained in easy language, plus puzzles, games, worksheets and an illustrated dictionary. For K-12 kids, teachers and parents.
The development of a deep understanding of numbers and the number system, to compose and decompose numbers and understand their various relationships
Num-bit-trace - Tracing numbers, sets
Counting In Space - addition, counting on number line
Treasure Map - Jamboard activity for multiplication, factors. Includes mapping on grid coordinates.
The understanding of patterns and relationships, including sorting and categorizing.
The ability to make comparisons and order and understanding measurable attributes.
The understanding spatial relationships, propositional terms and the properties of two and three-dimensional shapes
Understanding data as a means of conveying organized information, as well as the understanding that certain variables affect data.