How can we count efficiently? Counting Collections to start the Number Sense unit that will focus on representing, composing and decomposing numbers. Grade 3s @tdsb.on.ca Gracedale PS came up with amazing observations! @mrjasonto.com @tdsbmath.bsky.social

Day 1 of facilitating with @codruc.bsky.social on Shaping Algebraic Reasoning with grade 7-10 teachers. Such a great PD on patterning and linear relations. Great activities to bring back to the class and do with students. @mrjasonto.com @tdsbmath.bsky.social

The double number line: quite popular among the
@tdsb.on.ca Gr. 3 students. An effective visual tool to help solve multiplication, division and ratio-related #math problems! @mrjasonto.com @tdsbmath.bsky.social @mervisalo.bsky.social

Despite today's winter weather, teachers in North York #TDSB had an energy-filled Day 2 of Building Foundational #Math Skills! We analyzed the lasting usefulness of Up & Over 10 & Constant Difference & played games to promote various (+/-) strategies. @tdsbmath.bsky.social @mervisalo.bsky.social

#Fractions through Paper folding today in the 4/5 class @Flemington PS. This hands-on activity was engaging and super fun for all students; at the same time: a great assessment opportunity for the teacher! @tdsbmath.bsky.social @mrjasonto.com @mervisalo.bsky.social

Every time there’s been an A-ha moment, an understanding of the math concept as a result of work with concrete objects, I thought of Maria #Montessori’s belief from almost 100 years ago: a child’s “hand activities” and “psychological development” are so closely entwined. @tdsbmath.bsky.social

Great conversations re: the importance of teaching various strategies @ Building Foundational #Math Skills in the Early Years, Day 1. A very special Thank You to @tdsb.on.ca Gosford P.S. staff & students for offering their beautiful library for our learning! @mrjasonto.com @mervisalo.bsky.social

Valuable learning during PLCs @tdsb.on.ca Topcliff PS. Teachers & Principals observed a Gr. 3 math class & reflected on lesson & #math environment. Goal: improving the math program. Amazing student engagement in solving & especially creating math problems! @mrjasonto.com @tdsbmath.bsky.social

And also from today: The Gr. 3/4s @tdsb.on.ca Stanley PS used Constant Difference to solve subtraction problems! So proud of these kids! 👏@tdsbmath.bsky.social @mrjasonto.com

Hi! This is my first #Bsky story with students & teachers who love doing #Math … Today, Gr. 2s @tdsb.on.ca Lamberton PS told me that the triangle 📐 is the polygon with the least number of sides & all polygon names come from Greek! 👏👏 @mrjasonto.com @tdsbmath.bsky.social