Learning Wave Communications
Learning Wave: Additive Property of Zero
Properties of zero are presented in detail, with a word problem that demonstrates the additive inverse property and the additive identity property of zero.
Illustrative Mathematics
Illustrative Mathematics: 5.md,oa You Can Multiply Three Numbers in Any Order
The purpose of this task is for students to use the volume of a rectangular prism to see why you can multiply three numbers in any order you want and still get the same result. Aligns with 5.OA.A and 5.MD.C.5.
CK-12 Foundation
Ck 12: Properties of Matter
[Free Registration/Login may be required to access all resource tools.] In this online tutorial, students will begin to understand a substance according to its physical properties. Learn to distinguish between extensive and intensive...
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Elementary Addition
This resource offers six brief arithmetic lessons: sums less than ten, sums of ten, and sums between ten and twenty, doubling, zero, and a set of general practice problems.
Illustrative Mathematics
Illustrative Mathematics: Counting Dots in Arrays
This task aims to show students that there is often more than one way to represent a quantity. This lesson plan also lays a foundation for students to understand the commutative property of multiplication.
Cuemath
Cuemath: Integers
The term "integer" was adapted in Mathematics from the Latin word "integer", which means intact or whole. Integers are very much like whole numbers, but they also include negative numbers. This article explains the properties of integers...
Illustrative Mathematics
Illustrative Mathematics: Make 9
Learners will make 9 in as many ways as they can by adding two numbers between 0 and 9. This is a good introduction to the commutative property.