# Number sense

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### Number talk-great for mental math.

### Today, I just want to write a quick post about a resource that I hope everyone is already familiar with. I used it a couple of weeks.

### WODB? Math (@WODBMath) | Twitter

### WODB? Math (@WODBMath) | Twitter

### This is the home page's excerpt

### Shape which is the odd one out?

### Number Talks: Helping Children Build Mental Math and Computation Strategies, Grades a book by Sherry Parrish