Grade 3 Math: Number and Operations in Base Ten
 
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Grade 3 Math: Number & Operations in Base Ten
Grade 3 - Free Educational Materials Aligned to the Common Core State Standards - ELA Printables
 
 
CCSS.MATH.CONTENT.3.NBT.A.1 - Use place value understanding to round whole numbers to the nearest 10 or 100.
 
 
CCSS.MATH.CONTENT.3.NBT.A.2 - Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
 
 
 
CCSS.MATH.CONTENT.3.NBT.A.3 - Multiply one-digit whole numbers by multiples of 10 in the range 10-90 (e.g., 9 × 80, 5 × 60) using strategies based on place value and properties of operations.