Place Value for Addition & Subtraction
Description: Use place value understanding and properties of operations to add and subtract. CCSS.Math.Content.1.NBT.C.4 Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
Tags: Place Value, 1st grade math, CCSS.Math.Content.1.NBT.C.4 1st Grade
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