1ST GRADE ADD TWO-DIGIT NUMBERS AND ONE-DIGIT NUMBERS FLIP BOOK iREADY® MATH UNIT 5 LESSON 20 FUN ACTIVITY CRAFT This Flip Book Project is a great companion for iReady® Math.This project is a great addition to any Math Curriculum for First Grade. It offers your students extensive practice with practicing how to: o Cross to the next ten when adding ones that total 10 more. o Develop strategies to add two-digit numbers and one-digit numbers and explain the reasoning used. o Solve problems inv