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### Solving Math Problems {Strategy Posters for Addition} Common Core

This is a really good example of an activity that could be used in a 1st grade classroom because it shows the basic understand of subtraction and meets the standard 6. Add and subtract within 20, demonstrating fluency for addition and subtraction within 10...

Math Matters: 2 Problem Solving Strategies - Teaching with Nancy | Teaching with Nancy

Strategy: Subtraction Anchor chart Subject: Numbers & Operations Process: Problem solving Common Core: 2.NBT.5 Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction. Need: strategy for abstract practice Goal: trick for procedural knowledge Materials: anchor chart Summary: Teach students procedural poem, practice with subtraction problems

This is a great diagram to have in the classroom to implement scaffolding. Duffy emphasized how important it is to scaffold in the classroom and assist into that transition into independent work. The diagram of I do, We do, You do is a great way to remind the chidlren of this strategy.

Rounding Rules poem for upper grades-kids copy poem in math journal/notebooks