| Number: MA.2.A.2.Su.a | Category: Supported |
| Date Adopted or Revised: 09/07 | Big Idea: BIG IDEA 2 : Develop quick recall of addition facts and related subtraction facts and fluency with multi-digit addition and subtraction. |
| Name | Description |
| MA.2.A.2.1: | Recall basic addition and related subtraction facts. |
| Name | Description |
| 5012040: | Grade Two Mathematics |
| 7712030: | Access Mathematics Grade 2 |
| Name | Description |
| The Game of Tens and Ones: A Lesson for Second Graders: | "This game gives children practice with adding and subtracting ones and tens. Using a special die, two 0 99 charts, and two markers, children play in pairs. During the course of a game, they calculate between 20 and 30 addition and subtraction problems." (from Math Solutions Professional Development) |