Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Whole Number Addition

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Write and solve vertical addition problems with whole numbers.
Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: Add Whole Numbers, Add Decimals

For Students 3rd - 8th Standards
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.
Unit Plan
Khan Academy

Khan Academy: Round Whole Numbers

For Students 3rd - 5th Standards
Practice rounding whole numbers to the nearest hundred or thousand. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Estimation of Whole Number

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Round whole numbers in order to estimate sums and differences.
Activity
Texas Instruments

Texas Instruments: Addition of Whole Numbers

For Teachers 9th - 10th
This StudyCards stack enables students to review basic addition of positive and negative integer numbers. They are tested on their ability to add positive numbers, negative numbers and numbers in parenthesis.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Estimation of Whole Number

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Round whole numbers in order to estimate sums and differences.
Unknown Type
Elias Saab

Math Drills: Whole Number Operations Quiz

For Students 9th - 10th
An interactive quiz which provides students with two whole numbers and a randomly selected operation sign between them. Students input their solution and have the program evaluate it. Hints are available if the student needs them, and...
Professional Doc
Louisiana Department of Education

Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Multi Digit Whole Number and Decimal Fraction Operations

For Students 5th
A guide to support parents as they work with their students with multi-digit whole number and decimal fraction operations.
Lesson Plan
University of Texas

Inside Mathematics: Pocket Money [Pdf]

For Teachers 1st - 3rd Standards
This task challenges a student to demonstrate fluency in adding and subtracting whole numbers.
Lesson Plan
Better Lesson

Better Lesson: Domino Addition: Understanding the Part/part/whole Relationship

For Teachers 2nd Standards
The big idea of this lesson is the understanding that addition can be represented as parts of a whole and that we can use addition sentences to represent those parts.
Lesson Plan
ReadWriteThink

Read Write Think: Whole to Parts Phonics Instruction: Letter Sound Correspondences

For Teachers Pre-K - 1st Standards
Contains plans for two lessons that use the whole-to-parts phonics approach to beginning reading. It uses onset and rime to group word families and spelling patterns to show sounds in context. In addition to objectives and standards,...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Sums of Whole Numbers to 1000 (Grade 4)

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Use addition to find the sum or summand of numbers up to 1000. It includes how to videos with an overview, selecting the correct and incorrect sentence, and adding...
Unit Plan
Khan Academy

Khan Academy: Estimate to Add and Subtract Multi Digit Whole Numbers

For Students 1st - 3rd Standards
Use estimation to find a reasonable solution to multi-digit addition and subtraction problems. Numbers are less than or equal to 1000. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Sums of Whole Numbers to 1000 (Grade 3)

For Students 3rd - 5th
[Free Registration/Login may be required to access all resource tools.] This site offers the video "Addition: 3 Digits." and a practice quiz in which students solve problems using addition to find the sum or summand of numbers up to 1000.
Unit Plan
AAA Math

Aaa Math: Addition Using Estimation

For Students 5th - 7th
This site explains how to estimate sums by rounding whole numbers. Games and exercises are provided to practice the skill.
Handout
The Math League

The Math League: Decimals, Whole Numbers and Exponents

For Students 4th - 8th
This tutorial has definitions and examples of decimals, whole numbers, and exponents. In addition, a variety of topics are covered, such as comparing, multiplying and subtracting.
Activity
The Math League

The Math League: Whole Numbers & Basic Properties

For Students 3rd - 8th Standards
Here is a nice resource for students and teachers about whole numbers and their basic properties. It provides links to information on place value, expanded form, and rounding numbers are just a few of the topics on this page.
Interactive
Calculator Soup

Calculator Soup: Adding and Subtracting Integers (Whole Numbers) Calculator

For Students 9th - 10th
Use this calculator for adding and subtracting integers. Positive and negative whole numbers are integers. The calculator shows the work for the math and shows you when to change the sign for subtracting negative numbers.
Interactive
Fun Brain

Fun Brain: Soccer Shootout (Fractions and Whole Numbers)

For Students 3rd - 5th
Using fractions and whole numbers, score goals and block your opponent's goals by correctly answering addition, subtraction, multiplication, and division problems. Four levels of play--easy, medium, hard, and super brain--to test your...
Lesson Plan
Better Lesson

Better Lesson: Addition in the Real World

For Teachers 2nd Standards
Think of addition in the real world as the joining of two parts to make a whole. The use of addition number sentences can show how we join the parts to make the whole.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Whole Number Exponents Grade 6

For Students 6th - 7th Standards
[Free Registration/Login may be required to access all resource tools.] Understand and solve problems with exponents. In addition, links above this content lead to extended explanations, videos, and practice using exponents.
Unit Plan
Khan Academy

Khan Academy: Compare 3 Digit Numbers

For Students 1st - 3rd Standards
Practice more challenging problems comparing numbers within 1000. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a tutorial video, or receive hints.
Interactive
Other

Kinder Magic: Addition of Whole Numbers

For Students 3rd - 4th Standards
This interactive site contains problems on which you can test yourself and imrpove your skills regarding the addition of whole numbers. Requires Java Plug-in.
Unknown Type
Discovery Education

Discovery Education: Web Math: See How Two Numbers Add Together

For Students 3rd - 5th Standards
WebMath offers a good addition practice site. Students can use this site to check their homework assignment. An explanation is given regarding how each answer was arrived at.