Illustrative Mathematics
Illustrative Mathematics: Counting Dots in Arrays
This activity addresses CCSS 2.OA.C.4 where students count dots in an array using repeated addition. This skill lays the foundation for an understanding of multiplication.
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Multiplying Polynomials
A tutorial that shows you how to multiply polynomials and how to use the FOIL method when multiplying binomials.
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Properties of Real Numbers
Find definitions and examples of commutative property, associative property, distributive property, identity property, inverse property, and multiplicative inverse. This tutorial also offers practice exercises for you to complete after...
Other
Kid's Page Archive: Free Printable Math Worksheets
Great source for math worksheets on all four whole number operations, fractions, and miscellaneous arithmetic topics. Could be used to assess basic arithmetic skills for areas that need remediation.
Wyzant
Wyzant: Exponents
The lesson from WyzAnt begins with a review of the definition of exponents then proceeds to several examples which show the definition in action. Special cases such as those involving negative bases as well as the zero exponent and the...
Fun Brain
Fun Brain: Math Baseball
Play ball while improving your math skills! Students may select addition, subtraction, multiplication, division, or a combination of any as well as a level of difficulty before beginning the game.
Interactive Mathematics
Interactive Mathematics: Matrices
This over view of matrices begins with an application to electronics using circuit equations. Examples are provided to demonstrate types of matrices, the identity matrix, addition and scalar multiplication of matrices.
OnlineMathLearning.com
Online Math Learning: Addition and Arrays (Grade 2)
A list of suggested activities for addressing CCSS 2.OA.C.4 where students work with arrays and repeated addition. Includes a problem for a 3X5 array and its solution in a video. [8:23]
Instituto Latinoamericano de la Comunicacion Educativa
Red Escolar: Juegos De Matematicas
Great elementary level math activities, organized by school grade. Activities are sometimes written in the form of teacher instructions, with pictures and examples. Others are written directly for students and can be done online or...
OpenStax
Open Stax: Vector Addition and Subtraction: Graphical Methods
In this interactive site, students will begin to understand the rules of vector addition, subtraction, and multiplication and apply graphical methods of vector addition and subtraction to determine the displacement of moving objects.
National Council of Teachers of Mathematics
The Math Forum: Lesson Plans: Fractions
Teachers, this is the place to come for fraction lesson plans if you teach elementary students. All the topics have a number of resources available from which to choose.
Education Place
Houghton Mifflin: Eduplace: Extra Practice Quiz Repeating Decimals 1
Practice changing various fractions to repeating decimals. Read the interactive quiz rules and then click on the "Begin" ticket. If you answer incorrectly you get one more chance to try again then you are told the correct answer. See how...
Alabama Learning Exchange
Alex: A Math and Language Arts Lesson: Division
The lesson will help students develop an initial understanding of division and clarify how the four operations of addition, subtraction, multiplication, and division relate to and are separate from each other. The lesson begins with a...