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 2
Browse resources related to second-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.
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.
CK-12 Foundation
Ck 12: Math Grade 4
Browse resources related to fourth-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.
AAA Math
Aaa Math: Addition of Decimals
This lesson explains how to add decimals of the tenths place value. Gives practice and games to work on this skill.
AAA Math
Aaa Math: Decimals Ten Thousandths
This lesson explains how to identify decimals of the ten-thousandths place value. Includes games to practice this skill.
Better Lesson
Better Lesson: Comparing Temperatures
Second graders should be able to recognize what makes one number greater or smaller than another, using place value understanding which is crucial to Common Core mastery. This lesson combines math and science by having students order...
abcteach
Abcteach: Select a Math Problem Type
Generate worksheets for math problems ranging from simple addition problems to place value with expanded notation for free. Your choice of font, font size, color and landscape when printing.
Better Lesson
Better Lesson: Writing and Solving Number Stories
We can apply math to almost every part of the day and make math have a purpose for students.
Better Lesson
Better Lesson: Larger Numbers: A Tie to Social Studies
I want my students to realize that numbers are everywhere and math is applicable to almost all other subjects. Geography offers a perfect opportunity for students to make this connection.
Better Lesson
Better Lesson: Let's Review
Revisit, Revisit, Revisit! Students need repeated exposure to math concepts to really understand how they work.
Better Lesson
Better Lesson: Using a Pattern to Solve a Problem
Patterns are prevalent in all levels of math. Common Core Standards expect students to be able to use structure - like that found in repeating the patterns of odd and even numbers or counting by 5s or 10s - to solve problems (MP7).
E-learning for Kids
E Learning for Kids: Math: Hamburger Restaurant: Addition and Subtraction
On this interactive site students practice addition and subtraction skills. At the end of the lesson students will be able to solve addition problems using a formal written algorithm and use various strategies to solve unfamiliar problems.
Better Lesson
Better Lesson: Comparing and Ordering Integers
Students will compare and order integers on the number line. This lesson includes a detailed plan with lots of examples, a screencast of the lesson, and slides containing notes and problems.
Better Lesson
Better Lesson: Constructing Tens and Ones
Young scholars get a hands-on, minds-on experience with counting, while also constructing an understanding of tens and ones. This lesson includes a detailed plan, a link to a song about teen numbers, a video showing students engaging in...
Better Lesson
Better Lesson: Pets, Pets and More Pets
Second graders love to talk about pets and in this lesson they can share how many pets they have.
Better Lesson
Better Lesson: Patterns Make Ten
This lesson builds a foundation for adding larger numbers which is supported by the Common Core standards for second grade.
Better Lesson
Better Lesson: Investigating the Properties!
In this lesson plan, 4th graders will investigate and discuss the familiarity with factors and multiples to gain a deeper understanding. Downloadable printables are included.
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]
Better Lesson
Better Lesson: Moving Into Thousands
To make sense of numbers in the thousands, 2nd grade students need practice identifying place value positions and using place value strategies in numbers to 1,000.
SMART Technologies
Smart: Foundational Math Concepts for Elementary Ages
Practice everyday math skills such as adding, subtracting, multiplying, dividing, place value, counting money, telling time, fractions, decimals, and more.
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.