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Addition & Subtraction in Words

Understanding and relating addition and subtraction to counting forward and backward.

Mapped to CCSS Section# 1.NBT.B.3, 1.NBT.A.1, 1.OA.C.5

Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols >, =, and <.,Count to 120, starting at any number less than 120. In this range, read and write numerals and represent a number of objects with a written numeral.,Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).
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