Common Core2nd Grade Math
Common Core 2nd Grade Math Curriculum
Video lessons and practice for every 2nd grade math topic. Aligned to Common Core standards. Your child can watch lessons, practice problems, and get help with homework anytime.
Common Core 2nd Grade Math Curriculum | StudyPugHelp
Common Core ID | Standard | StudyPug Topic |
|---|---|---|
2.OA.A.1 | Use addition and subtraction within 100 to solve one- and two-step word problems |
2.OA.C.3 | Determine whether a group of objects (up to 20) has an odd or even number of members |
2.OA.C.4 | Use addition to find the total number of objects arranged in rectangular arrays |
2.NBT.A.1 | Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones |
2.NBT.A.3 | Read and write numbers to 1000 using base-ten numerals, number names, and expanded form |
2.NBT.A.4 | Compare two three-digit numbers based on meanings of the hundreds, tens, and ones digits |
2.NBT.B.5 | Fluently add and subtract within 100 using strategies based on place value |
2.NBT.B.7 | Add and subtract within 1000, using concrete models or drawings |
2.NBT.B.8 | Mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given number 100–900 |
2.NBT.B.9 | Explain why addition and subtraction strategies work |