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Plus 1, Minus 1


Updated for 2020, this math concept book engages young readers through simple text and photos as they learn how groups change when you add 1 or take away 1.

Series: Little World Math Concepts

Interest Level: Grades K-2

Guided Reading Level: C

Lexile Level: BR

ISBN: 9781625138606 (E-book)  

Copyright: ©2020

Pages: 24

Includes Teacher's Notes

*E-book price, single use is for one user.
**E-book price, unlimited use is for a single school or library building.

To order additional copies of this title for more than one school or library building, call 800-621-3900 or send an e-mail to for assistance.