The Plus and Minus of Math

By: Tamie Holman and Linda Harmon

Subject: Math Grade level: Kindergarten Grading term: 4th quarter

Concept: Lesson will teach addition and subtraction with objects.

Subject

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

Goal- To be able to add and subtract using counting objects. To understand addition as putting groups of objects together to make more. To understand subtraction as taking away objects to make less.

Objectives and Goals

Introduction – Introduce topic Let’s Read – Read book Let’s Practice – Hand out worksheets,

counters and divided plates Let’s Get Moving – Play video Let’s Play – Show computer games they can

play Let’s Review

Procedures

Internet Sunshine State Standards Smart Board Student Participation Overhead Projector Book – Building Numbers Candy/Counting Bears Three Section Divided Plates

Resources

http://www.fldoe.org/default.asp - Florida Sunshine State Standards

  http://www.kidslearningstation.com - Addition and

Subtraction Worksheets  http://www.youtube.com - The Add and Subtract

Body Part Dance

Fry, Jenny. Building Numbers. Hauppauge, New York. Barron’s Educational Series, Inc.

 

References

Let’s Read… Building Numbers By Jenny Fry

Online addition worksheet

Online subtraction worksheet

Let’s Practice…

The add and subtract body part dance

Let’s Get Moving…

Addition Game Subtraction Game

Let’s Play…

Any questions? Send home worksheets for individual

evaluation using the following rubric

Let’s Review…

 Beginning

1Developing

2Qualified

3Exemplary

4Score

Addition with Counting Objects

0-20% correct  30-50% correct 60-80% correct 90-+% correct

Subtraction with Counting

Objects0-20% correct 30-50% correct 60-80% correct 90-+% correct