Interactive
Mangahigh

Mangahigh: Number: Deal With Remainders

For Students 5th - 7th Standards
Round money to nearest whole dollar amount.
Activity
Amby Duncan-Carr

Prime Factorization: Amby's Resources

For Students 6th - 8th
What is prime factorization? This site goes through a step-by step process explaining different ways to find the prime factorization.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding and Subtracting

For Students 4th - 5th
[Free Registration/Login may be required to access all resource tools.] A video tutorial using order of operations with both addition and subtraction to solve problems with emphasis on working from left to right. Practice questions...
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Common Core Sheets

Common Core Sheets: Number and Operations in Base Ten 5.nbt.1 Worksheets

For Teachers 5th
Teachers can assess students' knowledge of place value with these printable worksheets. You can even create your own activity or flashcards.
Interactive
Calculator Soup

Calculator Soup: Mixed Numbers Calculator

For Students 9th - 10th
Do math calculations with mixed numbers (mixed fractions) performing operations on fractions, whole numbers, integers, mixed numbers, mixed fractions, and improper fractions. This calculator can add, subtract, multiply and divide mixed...
Interactive
AAA Math

Aaa Math: Adding Five Digit Numbers

For Students 3rd - 5th
AAAMath.com provides an online game to practice addition with five digit numbers. The game will give you addition problems and keep track of your correct and incorrect answers. It will also give you a percent score for the correct answers!
Interactive
AAA Math

Aaa Math: Adding Six Digit Numbers

For Students 3rd - 5th
This lesson has a game and explanation of addition with six digit numbers. The game will keep running totals of your correct and incorrect answers. It will also give a percent score of the correct answers for you to see.
Interactive
AAA Math

Aaa Math: Adding Three Numbers

For Students K - 1st Standards
Find an explanation on how to add three numbers together using pencil and paper. There is also an online game that will keep running totals of your correct and incorrect answers. The lesson also gives you a percent score of the correct...
Interactive
AAA Math

Aaa Math: Adding Seven Digit Numbers

For Students 3rd - 5th
This lesson is provided for by J. Banfill at AAAMath.com. Look over an example of adding seven digit numbers and then play this online game for practice. The game will keep track of your correct and incorrect answers, as well as give you...
Interactive
AAA Math

Aaa Math: Adding Two Digit Numbers Mentally

For Students K - 1st Standards
Read these two strategies for adding two-digit numbers in your head. Then try out the one you like better by playing the game. Running totals of your correct and incorrect answers as well as a percent score of your correct answers will...
Interactive
ABCya

Ab Cya: Addition With Manipulatives

For Students Pre-K - 1st Standards
An interactive addition game that includes movable manipulatives. An engaging tool for building skills with one and two digit addition facts. Immediate feedback given.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Multiplying Decimals by 10

For Teachers 4th - 8th Standards
The purpose of this task is to help learners understand and explain why multiplying a decimal number by 10 shifts all the digits one place to the left. This understanding builds on work around place-value that students have done with...
Lesson Plan
Alabama Learning Exchange

Alex: Partying With Two/three Digit Whole Numbers

For Teachers Pre-K - 1st
The purpose of this lesson is to apply the operations of addition to solve problems using multiple strategies. The young scholars will communicate their math knowledge during the process by showing examples and discussing their work....
Activity
University of Cambridge

University of Cambridge: Nrich: Round and Round the Circle

For Students 3rd - 8th Standards
Learn multiplication with this dial star exercise. Predict what shapes you will get with different numbers.
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Lizard Point Quizzes

Lizard Point: Subtraction Practice

For Students Pre-K - 1st Standards
At this site from Lizard Point Consulting, you can practice several different levels of difficulty of subtraction problems that use 1-digit numbers all the way up to 3-digit number subtraction problems that require regrouping. You can...
Interactive
Quia

Quia: Subtracting to Win a Million

For Students 1st - 8th Standards
Students will love playing this "Who Wants to be a Millionaire," style game as they work through the subtraction problems. Some of the numbers are large, but there is no regrouping necessary.
Handout
Other

Technical Tutoring: Basic Math Operations

For Students 3rd - 5th Standards
This tutorial resource provides help with math in addition, multiplication, subtraction, division, identities, powers, and exponentiation.
Interactive
Quia

Quia: Add Your Way to a Million (Rags to Riches)

For Students 1st - 5th Standards
You can earn a million bucks playing this addition game. A succinct multiple choice game with hints, if you need them. Contains simple computation problems mixed with a few word problems. Must be able to add up to the millions place (one...
Activity
AAA Math

Aaa Math: Adding Numbers

For Students K - 1st Standards
At this lesson, practice adding single digit numbers with this online game. The game keeps a running total of your correct and incorrect answers, and a percent score of the answers you have correct.
Activity
Other

Room 108: Addition With Carrying Over

For Students 3rd - 5th
This website helps you go through the steps to add larger numbers when you need to "carry." There are audio instructions that show you step-by-step how to do the traditional algorithm. Requires Java.
Lesson Plan
Better Lesson

Better Lesson: Orange Day!

For Teachers K Standards
Students will get creative with the color orange!
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Which Number Is It?

For Teachers 3rd - 8th Standards
The purpose of this task is to help students understand the fact that the value of a digit in one place is ten times the value of the same digit in the place to the right. Aligns with 5.NBT.A.1.
Activity
Scholastic

Scholastic: Max's Math Adventures: Good Bye Training Wheels!

For Teachers 3rd - 5th
Take a bike ride with Max and add up the miles he has traveled. Use the teacher's guide, activity sheet, and extra challenges to create an engaging learning experience!
Activity
Scholastic

Scholastic: Max's Math Adventures: Farmer Fred's Counting Farm

For Teachers 3rd - 5th
Add and rhyme with Farmer Fred, then use the activity sheet to work through some more farm addition. The teacher's guide and extra challenges will be helpful in lesson planning.