AAA Math
Aaa Math: Aaa Math Lessons
AAA Math's interactive tutorials and lessons assist students grades K-8 improve their understanding of a wide range of arithmetic topics. Students are provided with immediate feedback as they complete the "Learn," "Practice," and "Play"...
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Power of Ten
This website from The Math Page explains and defines basic arithmetic terms and place value concepts. There is even a practice section at the very end of the lesson.
Alabama Learning Exchange
Alex: Explorations in Place Value
Explorations in Place Value is an interactive math mini-unit that incorporates the use of children's literature, mathematical learning stations, and small group instructional strategies to reinforce basic principles of place value and to...
Khan Academy
Khan Academy: Naming and Ordering Numbers Lesson
Get ready for your Praxis Core Math test with this lesson over naming and ordering numbers. You will review the skills being tested for this topic and complete practice problems.
University of Texas at Austin
University of Texas: Elementary Math Club: Number Paths
Learners explore connections between addition, subtraction, and multiplication. In addition, students review place value and learn about the distributive law. The lesson plan includes an overview and a lesson toolkit.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Subtracting Whole Numbers and Decimals
If you are looking for a website that explains and defines subtraction with decimals you have arrived at an excellent resource. There are even practice problems at the very end of the lesson.
CK-12 Foundation
Ck 12: Math Grade 3
Browse resources related to third-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.
Other
Rhl School: Math Problem Solving
Utilize this site for lesson plans and worksheets to help your students with math problem-solving.
TED Talks
Ted: Ted Ed: One Is One, or Is It?
This animated video explores the basic unit of one and its different meanings depending on place value. [3:55]
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Percents Are Ratios
This Math Page tutorial explains how percents are ratios and then features a practice exercise.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Multiplying and Dividing by Powers of 10: The Meaning of Percent
This excellent math resource explains and defines the meaning of percent. Multiplying and dividing by a power of 10 is incorporated as a preview to understanding scientific notation.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Add Whole Numbers, Add Decimals
This website explains and defines adding whole numbers and decimals. Content explores addition with regrouping and how to align numbers in a written calculation. There are even practice problems at the end of the lesson.
Homeschool Math
Homeschool Math: Comparing Decimals
This is a complete lesson with video instruction [5:49] and varied exercises about comparing decimals with 1 or 2 decimal digits.
CK-12 Foundation
Ck 12: 1.3 Fundamental Theorem of Arithmetic
[Free Registration/Login may be required to access all resource tools.] Braingenie builds mastery and sharpens problem-solving skills. Students can learn, practice, and quiz themselves on thousands of skills in the areas of math and...
ClassFlow
Class Flow: Everyday Math Gr5 1.1
[Free Registration/Login Required] This lesson was made to compliment Everyday Mathematics Grade 5, Lesson 1.1. It includes the poem, Arithmetic, math boxes with added materials, and High Number Toss math game.
Quia
Ixl Learning: Comparing Numbers
Brush up on your math skills relating to comparing numbers then try some practice problems to test your understanding.
Quia
Ixl Learning: What Is a Decimal?
Brush up on your math skills pertaining to decimals then try some practice problems to test your understanding.
PBS
Pbs Learning Media: Rounding to Whole Numbers
This interactive lesson focuses on using what you know about number lines and rounding from the tenths place to make decimals whole numbers and then asks you to explain your reasoning to show comprehension.
PBS
Pbs: Rounding to Wholes, Tenths, and Hundredths
On some nights only certain numbers can get in to the Number Line Party, what's a decimal to do? This interactive exercise combines activities here appear in two other Number-Line Party lessons and focuses on using what you know about...
Alabama Learning Exchange
Alex: Are Your Numbers Round?
Students will use a variety of activities and games to learn how to round numbers.This lesson plan was created as a result of the Girls Engaged in Math and Science, GEMS Project funded by the Malone Family Foundation.
Alabama Learning Exchange
Alex: Decimal War
Students will use base 10 manipulatives to build models of decimal numbers. Students will compare decimal numbers. This lesson plan was created as a result of the Girls Engaged in Math and Science, GEMS Project funded by the Malone...
abcteach
Abcteach: Teach: Decimals
[Free Registration/Login Required] Educators can generate worksheets for primary or elementary grades that focus on decimal addition, subtraction and fraction practice. Worksheets include graphics and answer key.