Great ideas for teaching subtraction strategies in 2nd and 3rd grade. **The actual structure is good for all grades.** Notice how she frames the problems on the board, this is a great way to jumpstart mathematical conversations about strategies. 6 more words

## Tags » Mathematical Thinking

#### Subtraction Strategies

#### Math Toolkits Part 2: Primary Toolkits

Primary Math Toolkits should be built over the year adding tools as they are introduced. In the beginning of the year, start with the tools that were introduced in the prior grade. 79 more words

#### Math Toolkits: Part 1

Math toolkits are very important because they provide the tools for students to scaffold their thinking. There are two parts of a math toolkit. Part I is the part with all the physical tools and Part II is the part with all the blackline masters and writing templates. 205 more words