CCSS.Math.Content.K.OA.A.1 - Represent addition and subtraction with objects, fingers, mental images, drawings, sounds (e.g., claps), acting out situations, verbal explanations, expressions, or equations.

 
Authors: National Governors Association Center for Best Practices, Council of Chief State School Officers

Title: CCSS.Math.Content.K.OA.A.1 Represent Addition And Subtraction With Objects, Fingers, Mental... Operations and Algebraic Thinking - Kindergarten Mathematics Common Core State Standards

Publisher: National Governors Association Center for Best Practices, Council of Chief State School Officers, Washington D.C.

Copyright Date: 2010

(Page last edited 10/08/2017)

1. Adding Objects - Type in the number of total objects you count.
2. Addition - Simple math problems in addition for beginners using most-familiar fingers as manipulatives - uses finger digits to add - models for the students how to add on their fingers (Click on parts of the problem to hear them read)?
3. Addition Sentences - Which picture shows the number sentence representation?
4. Addition with Pictures - Type in the correct total number.
5. Bugabaloo - Count the shoes; add them together and click on the total amount.
6. Critter Counting - Count the critters and click on the total amount.
7. Critter Junction - How many apples are left?
8. Marble Math - Online game; drag the marbles to the line to recreate the number sentence.
9. Number Bonds - video; explaining and representing addition and subtraction number sentences.
10. Subtract with pictures - Find the number sentence that represents the pictures.
11. Subtraction Sentences - Which picture shows the number sentence representation?