We found 4,372 resources with the concept addition
Common Core Math: 3rd Grade
Looking for all things third grade Common Core math? Here is the collection you've been waiting for! Third grade math curriculum is rigorous and opens up the doors to bigger algebra concepts that learners will use their entire lives. From multiplying and dividing to identifying polygons to telling time to naming parts of a whole, this collection can serve as a baseline for third grade math instruction. Each resource in the collection is designed to meet one or more of all 37 Common Core State Standards in third grade mathematics.
Common Core Math: 4th Grade
Kick math instruction into high gear with a collection made up of lesson plans, activities, worksheets, videos, and apps created to enhance and reinforce fourth grade math concepts. Check out each resource's notes to discover which Common Core standard—or standards—it addresses.
Sum of Rational and Irrational is Irrational
8th - 9th CCSS: Designed
Sometimes the indirect path is best. Scholars determine whether the sum of a rational number and an irrational number is irrational. Reading a transcript of a conversation between classmates leads to an indirect proof of this concept.
Abstract Vector Spaces | Essence of Linear Algebra, Chapter 11
17 mins 11th - Higher Ed
Take the principles of vectors and apply them to other things that act like vectors. The last video in the series of 15 introduces the more abstract aspects of linear algebra, making the connection back to the vector concepts discussed...
The Order of Operations is Wrong
4 mins 7th - 12th CCSS: Adaptable
PEMDAS is not all that it is cracked up to be. The short video provides an argument that the order of operations may not be instructionally sound. The presentation shows that understanding the concepts and properties of mathematics...
Writing and Evaluating Expressions—Addition and Subtraction
6th CCSS: Designed
Let Y represent Yes to using an excellent resource. Pupils first learn to define variables using a complete description in the 19th part in a series of 36. They write expressions involving addition and subtraction in real-world contexts...
Substituting to Evaluate Addition and Subtraction Expressions
6th CCSS: Designed
Substitute this resource for what you used to use. Learners identify patterns in data tables and write addition and subtraction expressions to represent relationships. Substitution allows them to solve problems in context in the 20th...