>> Common Core Math Standards Main Page
Welcome to 2nd Grade Common Core Math Standards Resource Page!
This page is your go-to guide for understanding and implementing the 2nd Grade Common Core State Standards for Mathematics. Below, you’ll find a complete list of all the standards and skills, along with resources to help make your teaching more effective and efficient.
The Common Core Math Standards are organized into broad categories called Domains, with specific skills outlined under each. Within each Domain, Clusters group related standards that progress in complexity, ensuring a clear and cohesive structure for learning at each grade level.
For 2nd grade, the key Domains include:
Each Cluster is further broken down into Standards, which are specific skills or concepts that students are expected to learn. For example, the standard 2.NBT.A.1 focuses on understanding place value, including recognizing that the three digits of a three-digit number represent amounts of hundreds, tens, and ones (e.g., 326 represents 3 hundreds, 2 tens, and 6 ones).
Click on a domains (buttons linked above) to start exploring!
Domain: Number & Operations in Base Ten
Cluster A: 2.NBT.A – Understand place value
| Standard | Skills | Related Resources |
| 2.NBT.1 | I understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones. | – Math Task Cards – Math Sorts – Interactive Slides – Math Pixel Art – Math Game Show – Math Tri-folds |
| 2.NBT.2 | I can skip-count by 5s, 10s, and 100s | – Math Task Cards – Math Sorts – Interactive Slides – Math Pixel Art – Math Game Show – Math Tri-folds |
| 2.NBT.3 | I can read, write, and represent numbers in standard form, word form, and expanded form. | – Math Task Cards – Interactive Slides – Math Pixel Art – Math Tri-folds |
| 2.NBT.4 | I can use what I know about place value to compare two three-digit numbers. | – Math Task Cards – Math Sorts – Interactive Slides – Math Game Show – Math Tri-folds |
Cluster B: 2.NBT.B – Use place value understanding and properties of operations to add and subtract
| Standard | Skills | Related Resources |
| 2.NBT.5 | I can use strategies to fluently add and subtract within 100. | – Math Task Cards – Math Sorts – Interactive Slides – Math Pixel Art – Math Game Show – Math Tri-folds |
| 2.NBT.6 | I can use strategies to add up to four two-digit numbers. | – Math Task Cards – Math Sorts – Interactive Slides – Interactive Slides – Math Pixel Art – Math Game Show – Math Tri-folds |
| 2.NBT.7 | I can use different strategies to add and subtract within 1,000. | – Math Task Cards – Math Sorts – Interactive Slides – Math Pixel Art – Math Game Show – Math Tri-folds |
| 2.NBT.8 | I can mentally add 10 or 100 to a given number 100-900, and mentally subtract 10 or 100 from a given number 100-900. | – Math Task Cards – Math Sorts – Interactive Slides – Math Pixel Art – Math Game Show – Math Tri-folds |
| 2.NBT.9 | I can use place value and the properties of operations to explain why addition and subtraction strategies work. | – Math Task Cards – Math Sorts – Interactive Slides – Math Pixel Art – Math Game Show – Math Tri-folds |
Domain: Operations & Algebraic Thinking
Cluster A: 2.OA.A – Represent and solve problems involving addition and subtraction
| Standard | Skills | Related Resources |
| 2.OA.1 | I can use addition and subtraction to solve one- and two-step problems. | – Math Task Cards – Math Sorts – Interactive Slides – Math Pixel Art – Math Tri-folds |
Cluster B: 2.OA.B – Add and subtract within 20
| Standard | Skills | Related Resources |
| 2.OA.2 | I can use mental strategies to fluently add and subtract within 20. | – Math Task Cards – Math Sorts – Interactive Slides – Math Pixel Art – Math Tri-folds |
Cluster C: 2.OA.C – Work with equal group of objects to gain foundations for multiplication
| Standard | Skills | Related Resources |
| 2.OA.3 | I can determine if a group of objects is odd or even by pairing them up or counting them by 2s. I can write a doubles fact to show a number is even. | – Math Task Cards – Math Sorts – Interactive Slides – Math Pixel Art – Math Game Show – Math Tri-folds |
| 2.OA.4 | I can use repeated addition to find out how many objects are in a rectangular array. | – Math Task Cards – Math Sorts – Interactive Slides – Math Pixel Art – Math Game Show – Math Tri-folds |
Domain: Measurement & Data
Cluster A: 2.MD.A – Measure and estimate lengths in standard units
| Standard | Skills | Related Resources |
| 2.MD.1 | I can measure the length of an object by selecting and using appropriate tools (rulers, yardsticks, meter sticks, and measuring tapes). | – Math Task Cards – Math Sorts – Interactive Slides – Math Pixel Art – Math Game Show – Math Tri-folds |
| 2.MD.2 | I can measure the length of an object twice, using length units of different lengths for the two measurements. | – Math Task Cards – Math Sorts – Interactive Slides – Math Game Show – Math Tri-folds |
| 2.MD.3 | I can estimate the lengths of items using units of inches, feet, centimeters, and meters. | – Math Task Cards – Math Sorts – Interactive Slides – Math Pixel Art – Math Game Show – Math Tri-folds |
| 2.MD.4 | I can measure to determine how much longer one object is than another. | – Math Task Cards – Math Sorts – Interactive Slides – Math Game Show – Math Tri-folds |
Cluster B: 2.MD.B – Relate addition and subtraction to length
| Standard | Skills | Related Resources |
| 2.MD.5 | I can use addition and subtraction within 100 to solve word problems involving length. I can write equations with a symbol for the unknown number. | – Math Task Cards – Math Sorts – Interactive Slides – Math Pixel Art – Math Game Show – Math Tri-folds |
| 2.MD.6 | I can use a number line to solve addition and subtraction problems to 100. | – Math Task Cards – Math Sorts – Math Pixel Art – Math Tri-folds |
Cluster C: 2.MD.C – Work with time and money
| Standard | Skills | Related Resources |
| 2.MD.7 | I can tell and write time from analog and digital clocks to the nearest five minutes, using a.m. and p.m. | – Math Task Cards – Math Sorts – Interactive Slides – Math Pixel Art – Math Game Show – Math Tri-folds |
| 2.MD.8 | I can solve word problems involving dollar bills, quarters, dimes, nickels, and pennies using $ and ¢ symbols. | – Math Task Cards – Math Sorts – Interactive Slides – Math Pixel Art – Math Game Show – Math Tri-folds |
Cluster D: 2.MD.D – Represent and interpret data
| Standard | Skills | Related Resources |
| 2.MD.9 | I can measure lengths of several objects to the nearest whole unit. I can show the measurements by making a line plot. | – Math Task Cards – Math Sorts – Interactive Slides – Math Pixel Art – Math Game Show – Math Tri-folds |
| 2.MD.10 | I can draw a picture graph and a bar graph to represent data. I can solve addition and subtraction problems using data from the graphs. | – Math Task Cards – Math Sorts – Interactive Slides – Math Pixel Art – Math Game Show – Math Tri-folds |
Domain: Geometry
Cluster A: 2.G.A – Reason with shapes and their attributes
| Standard | Skills | Related Resources |
| 2.G.1 | I can recognize and draw shapes having specific attributes. I can identify triangles, quadrilaterals, pentagons, hexagons, and cubes. | – Math Task Cards – Math Sorts – Interactive Slides – Math Pixel Art – Math Game Show – Math Tri-folds |
| 2.G.2 | I can partition a rectangle into rows and columns of same-size squares and count to find the total number of them. | – Math Task Cards – Math Sorts – Interactive Slides – Math Pixel Art – Math Game Show – Math Tri-folds |
| 2.G.3 | I can partition circles and rectangles into 2, 3, or 4 equal shares. I can describe the shares as halves, thirds, or fourths. | – Math Task Cards – Math Sorts – Interactive Slides – Math Pixel Art – Math Game Show – Math Tri-folds |
