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Math: Unit 5, Lesson 9: Add & Subtract Tens

Grade Level:: 1
Subject:: Math
Topic:: Add & Subtract Tens
Objective:: Students should be able to add and subtract one or more tens from a 2 digit number (decade numbers).
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Prep:: Review Lesson
Dry erase mats out on the desk.
Materials:: Hartcourt Math Expressions Grade 1, Volume 2 Teacher's Edition
Student Workbook pages 161-162
Dry erase boards, marker & eraser
pencil
Standards Met:

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Math: Unit 5, Lesson 9: Add & Subtract Tens