GCPS Unit 1 (GA Unit 1)
Base Ten
12.NBT.1 use place value understanding to round whole numbers to the nearest 10 or 100
13.NBT.2 add and subtract fluently within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction
14.NBT.3 multiply one-digit whole numbers by multiples of 10 in the range 10 ̶ 90 (e.g., 9 x 80, 5 x 60) using strategies based on place value and properties of operations
Base Ten
12.NBT.1 use place value understanding to round whole numbers to the nearest 10 or 100
13.NBT.2 add and subtract fluently within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction
14.NBT.3 multiply one-digit whole numbers by multiples of 10 in the range 10 ̶ 90 (e.g., 9 x 80, 5 x 60) using strategies based on place value and properties of operations