Addition And Subtraction to 20 | 6 Centers | Digital and Print | 1.OA.5 | First Grade




Help your students master addition and subtraction within 20 by using a FUN set of LOW prep centers. Your students will practice and develop different strategies for solving adding and subtracting problems. This is an important math fluency skill to learn in the early stages of addition and subtraction.

This game is great for Morning Work, Sub Plans, Math Centers, Early Finishers, Homework, Partner Pairs (pair different abilities for support), and so much more!

Digital Format:This digital resource version uses Google Slides™ and can be used in Google Classroom and Google Drive. It is a self-correcting and interactive game, so students are engaged the entire time.

With the printable version, students solve the problems. Once students have chosen an answer, they will record it on the corresponding sheet.

Skills Covered

1.OA.C.5: Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten: decomposing a number leading to a ten; using the relationship between addition and subtraction; and creating equivalent but easier or known sums


Adding Ten Frames Students will add ten frames. Then they will record their answers on the recording sheet. (Color and B&W version included)

Counting Fingers Students will practice counting on. (Color and B&W version included)

Hops on a Number Line Students will add and subtract on a number line. . (Color and B&W version included)

Subtracting Fingers Students will practice subtracting with fingers. (Color and B&W version included)

Dice Addition Students will add the dots. They will then record the number on the sheet. (Color and B&W version included)

Adding And Subtracting SeashellsStudents will add or subtract from the seashells. (Color and B&W version included)

**Answer keys are provided for each center

Terms Of Use:

All rights reserved. Purchase of this unit entitles the purchaser a limited license for single person use only. You may utilize this resource for each of your students. Duplication for an entire school, an entire school system or commercial purposes is strictly forbidden without written permission from the publisher. The Google Slides templates included in this resource may not be used to create something new, and or, distributed in anyway without written consent from the author, Heather Vanderboom.

Copying any part of this product and placing it on the Internet in any form (even a personal/classroom website) is strictly forbidden and is a violation of the Digital Millennium Copyright Act (DMCA). These items can be picked up in a google search and then shared worldwide for free.

Copyright © Heather Vanderboom, LLC All rights reserved by the author. This product is to be used by the original purchaser and is a single classroom license. It may not be posted on a public website where others have access to download it and it may not be translated into another language and then posted for free or for sale.


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Addition And Subtraction to 20 | 6 Centers | Digital and Print | 1.OA.5 | First Grade