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Numberblocks Numberblocks Numberblocks – Build concepts of composing, decomposing, adding, subtracting. Unfix Cubes are suggested to go along with this. Can be done with a whiteboard, but the hands on building is important. One – Learn to count to five using the number one. Two – Add and subtract 1 to make number 2 bigger…

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Interactive Adding Dream Box – Matching Number Pairs for Twenty.  Students practice computation strategies and identify number patterns and relationships to make twenty in a variety of ways. Lesson Dream Box – Matching Number Pairs for Fifty.  Students practice computation strategies and identify number patterns and relationships to make fifty in a variety of ways.  Lesson Dream…

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Interactive Number Equivalency (2nd & 3rd Grade) Second Grade Dream Box – Build Expressions Equal to Twenty. Using expressions that have one to three addends, this tool engages students in understanding various number pairs that equal up to twenty.  Lesson Dream Box – Build Expressions Equal to One Hundred.  Using expressions that have one to three addends, this…

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Mental Math Strategies These printable mental math strategies or similar ones should be embedded throughout the math year and are excellent to promote during Number Talks. Addition and Subtraction Strategies Multiplication and Division Strategies      

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Number Talks (Kindergarten) Various Number Talks for Kindergarten. Number Talk – Ten Frames Number Talks – Ten Frames and Dot Cards Number Talk – Fluency with 7 Number Talk – Making Ten  

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Number Talk (First Grade) First Grade – Use other successful students to model for other students by having them repeat.  This video shows how a teacher helps her students listen to and repeat a classmate’s thinking. First Number Talk Problem Solving and Number Sense Solve Ten Frames in Different Ways  

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Teaching Mental Math Number Talks are Mental Math exercises, but students need to be taught how to think about mental math and how to incorporate math vocabulary into their thinking and speaking. The videos below are examples on how to coach students into using their mental math skills. Number Sense 3.NBT.A.2

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Number Talk Resources (K-5) Kindergarten First Grade Second Grade Third Grade Fourth Grade Fifth Fifth   Math Talk Poster Math Sentence Starters with Conversation Bubbles Math Talk Sentence Starters

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Decompose, Branching and Number Bonds Video Lessons (K-2) This resource provides strategies and tools for decomposing numbers through the use of branching. Branching* is simply a strategy of breaking apart and associating numbers in a way that creates friendly landmark numbers. This directly ties to the Common Core standards tagged in this resource as the…

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First Grade Common Core Math and ELA Lessons Share My Lesson –  Over 300 First Grade Common Core Math and ELA Lessons with standards.  Some on powerpoint all printable.  You must have a membership, but it is free.

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Decompose Numbers Videos Making Ten – Kindergarten to first grade. Teacher led lesson on how to decompose the number ten. Visualizing Number Combinations – Kindergarten to first grade. Students see a quick image of a ten frame and share strategies on how the got the number, which is decomposing a number. Decompose Numbers Video -…

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