Friday, October 12, 2018

Addition and Subtraction Strategies


Subtraction Strategies


Expanded form subtraction reinforces the place values of numbers. 



Base 10 block drawings (with or without the use of base 10 block manipulatives) can illustrate thinking. 


Addition Strategies

Addition using expanded form notation reinforces place value understanding! 



Base 10 blocks  are provide a hands-on concrete experience for when solving multi-digit equations. 


Saturday, September 1, 2018