Number Talks
Using a mental method, what's your total? How can you defend that answer?!

Number talks powerfully develop number flexibility for all students. 
Using a mental method, what's your total? How can you defend that answer?! Number talks powerfully develop number flexibility for all students. >Want to learn more? Check out this two-part dedicated workshop running in October!
— Maths Teacher Circles (@MathsCirclesOz) September 30, 2020
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