Curated OER
Dream Car Math
Students collect car cost comparison data from the "Car Wizard" web site to use as problem solving and for calculations related to math.
Curated OER
Junk Yard Math
Third graders explore the process of place value and subtraction through regrouping and borrowing exercises. Several activities using manipulatives are utilized in the activity.
Curated OER
Ordering and Computing with Negative Fractions and Decimals
Seventh graders explore the concept of computing negative fractions and decimals. For this negative fractions and decimals lesson, 7th graders compare ordering positive fractions to ordering negative fractions. Students use mirrors to...
Curated OER
Math in My World
Third graders record in their journals the many ways in which mathematics is part of their world.
Curated OER
Miles Of Smiles
Learners investigate basic mathematical properties to solve multiplication and division problems. They solve word problems that are part of the lesson. Students are required to give written or oral justification for how they solve each...
E-learning for Kids
E Learning for Kids: Math: Igloo: Addition
It takes a lot of math to build an Igloo. Can you help Kirima? Students will learn to select and apply appropriate mental, written or calculator strategies to solve addition problems.
E-learning for Kids
E Learning for Kids: Math: Llama Farm: Addition and Subtraction
On this interactive site students learn to solve subtraction problems using a formal algorithm and to apply place value concepts.
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.
Other
Nearpod: Adding Integers: Visual Approaches
In this lesson, students learn several methods to adding integers, including visual approaches and the standard algorithm.
Cool Math
Coolmath: Coolmath4kids: Scratch Addition
Demonstrates a method for easily adding long vertical columns of numbers. Includes two sample problems to try.
E-learning for Kids
E Learning for Kids: Math: Australlia Bbq Party: Addition
Students will complete a series of learning games to practice addition with standard algorithms.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide Addition, Subtraction Within 200 With Word Problems to 100
A guide to support parents as they work with their students in addition and subtraction within 200 with word problems to 100.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide Addition, Subtraction Within 1000 With Word Problems to 100
A guide to support parents as they work with their students in addition and subtraction within 1000 with word problems to 100.
PBS
Pbs: Multidigit Multiplication With Standard Algorithm: The Donut Doze Off
In this Cyberchase video, Bianca has a new job decorating fresh-baked donuts. Her supervisor asked her to decorate 12 trays of donuts, but Bianca thought he meant 12 donuts. When she discovers her mistake, she uses multiplication...
Alabama Learning Exchange
Alex: Why Do We Carry the One?
The students will critically think through the traditional algorithm for addition and compare to an alternative strategy.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide Place Value, Rounding & Algorithms for Add'n and Subtr'n
A guide to support parents as they work with their students in place value, rounding, and algorithms for addition and subtraction.
Other
Room 108: Addition With Carrying Over
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.
George Mason University
Lesson Plans: Whole Number Algorithms Base Ten Blocks
Brief lesson plans that show how to use base ten blocks to do all four operations and a little bit of algebra.
Shodor Education Foundation
Shodor Interactivate: Solving Equations
Introduction to various algorithms for solving single-variable, linear equations.
Better Lesson
Better Lesson: Adding and Subtracting With Decimals
Sixth graders fluently add and subtract money with decimals using the standard algorithm.
Khan Academy
Khan Academy: Add Decimals 5
Add whole numbers, tenths, and hundredths like 60+2.57 or 5.53+3.1 Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Add Decimals 6
Add more challenging whole numbers, tenths, and hundredths like 5.7+4.51 or 47.75+11.98. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Multiplication Strategy: Partial Products 2 [Pdf]
Break down numbers as a strategy to multiply one-digit by three-digit numbers and two-digit by two-digit numbers.
E-learning for Kids
E Learning for Kids: Math: Hamburger Restaurant: Multiplication
On this interactive site students practice multiplication skills. At the end of the lesson students will be able to perform multiplication facts, find the connection between addition and multiplication and use multiplication to solve...