Third Grade Number & Operations in
Base Ten


Use place value for rounding, strategies for adding and subtracting within 1,000 and multiply single digits by powers of 10. Just click on the blue links to display or print pdfs.  
Standards 
Practice
Pages


Use place value understanding and properties of operations to perform multidigit arithmetic  Cluster 1 

Standard 3.NBT.1: Use place value understanding to round whole numbers to the nearest 10 or 100.  Read Place Value Answers 3.NBT.1.a 
Place Value Round to 10s Answers 3.NBT.1.b 
Standard 3.NBT.2: Fluently
add and subtract within 1,000 using strategies and algorithms based on
place value, properties of operations and/or the relationship between
addition and subtraction. 
Add to 1000 Answers 3.NBT.2.a 
Add to Subtract Answers 3.NBT.2.b 
Standard
3.NBT.3: Multiply onedigit whole numbers by multiples of 10 in
the range 1090 (e.g., 9 x 80, 5 x 60) using strategies based on place
value and properties of operations. 
Place Value Answers 3.NBT.3.a 
1 x 2 Multiplication Answers 3.NBT.3.b 