2nd Grade Standards Practice If logged in, you will see your mastery percentage next to each skill. You can create a free child account here. Number and Operations in Base Ten Understand Place Value Understand three digit place value (S2-NBT.1) Compare two three digit numbers (S2-NBT.2) Express a number using hundreds, tens, and ones (S2-NBT.3) Expanded form with three-digit numbers (S2-NBT.4) Skip Count by 5s, 10s, and 100s up to 1000 (S2-NBT.5) Use place value understanding and properties of operations to add and subtract Fluently Add & Subtract Within 100 (S2-NBT.6) Add up to four two-digit numbers place value (S2-NBT.7) Mentally Add & Subtract 10 or 100 (S2-NBT.8) Add or Subtract Within 1000 (S2-NBT.9) Measurement and Data Estimate lengths using units of inches, feet, centimeters, and meters Measure and Estimate Lengths in Standard Units (S2-MD.1) Relate addition and subtraction to length Relate Addition and Subtraction to Length (S2-MD.2) Geometry Reason with shapes and their attributes Recognize Shapes Having Specified Attributes (S2-G.1) Partition Circles and Rectangles into Equal Shares (S2-G.2)
