It was great to facilitate a #math session for MK Elementary PD day. Math was only part of the day’s focus. Educators also explored literacy, Mi'kmaw language and culture. Thank you to Kyla for the invitation! ⁦‪@PembrokePublish‬⁩ ⁦‪#edusky

"When I talk with teachers, it does not take long to realize that they are the busiest people in the classroom… However, rarely have I met a teacher who is pleased with how well their students are progressing." — David Costello: bit.ly/4b8emqR #QOTW #profdev #math #numeracy #education #edusky

Check it out! I have posted new updates to Costello Math website. A math warm-up that is evidence-based & being used across Canada and the USA. Daily Cumulative Review resources for Grades 1-8. Questions for everyday of the school year! Click here costellomath.com/daily-cumula... #edusky #math

Thank you to ⁦‪SCCTM‬⁩ for a fantastic two days of #math. It was great meeting teachers from across South Carolina and exploring ways to strengthen instruction and learning. ⁦‪#education‬⁩ #maths #edusky

I’m thrilled to be a keynote speaker for this year’s ⁦‪@SCmathteachers‬⁩ Conference. What’s the topic? Exploring 4 instructional shifts that have a great impact on student learning and test scores! #scienceoflearning #math #maths #retrievalpractice #education #edusky

I had the privilege to talk about #math and the #scienceoflearning with PEI K-9 teachers yesterday afternoon. It is about framing our instruction on how students learn. #education #maths #sol ⁦‪@PembrokePublish‬⁩ ⁦

What’s Missing In Math Instruction? Teachers cannot just focus on content. Teachers MUST also consider HOW students learn and WHAT this means for instruction! #scienceoflearning #cognitivescience #math #onted @pembrokepublish.bsky.social

Check it out! Two of my books are in the top 100 for Teaching Math on Amazon.ca Both books are filled with resources and tasks that can immediately be used in the classroom. @PembrokePublish #math

I’m looking forward to a great day of learning at @researchEDCan. I’m leading two sessions: - Making Math Stick - Fixing Professional Learning Both sessions explore how the science of learning can be leveraged to support instruction and learning. #education #retrievalpractice

I’m presenting 3 sessions for Manitoba Teachers’ Society (MTS) PD Day. Two sessions for Manitoba Association of Mathematics Teachers. - retrieval practice - problem types The keynote for Manitoba Elementary Teachers’ Association. - science of learning #education #math

I’m looking for help. In what order do you or your board instruct addition/subtraction fact learning strategies? #NCTMATL25

I’m looking for help. In what order do you or your board instruct addition/subtraction fact learning strategies? #NCSM2025

Thank you to ⁦‪Pearson Canada‬⁩ for the sample copies of #Mathology. I was part of the author team for the Grade 9 Practice Workbook. Nice to look through the teacher and student editions. #math ⁦‪#edusky #iteachmath

In less than one hour I’ll be starting my keynote for ⁦‪@oame_qslma‬⁩ Conference in Kingston, Ontario. We will be exploring the Science of Learning and spiraling curriculum. ⁦‪@oame_qslma‬⁩ ⁦‪@OAMEcounts‬⁩ ⁦‪@PembrokePublish‬⁩ #math #iteachmath #elemmathchat

Check it out! A math warmup activity that is based on retrieval practice (evidence-based). It only takes 5-8 minutes. Grade 3-8 questions for the school year! Click here costellomath.com/resources/ #elemmathchat #edusky #math

An in-depth understanding of student behavior, including identifying factors that trigger and maintain negative, disruptive actions and attitudes — all in #ManagingStudentBehavior: bit.ly/3UXJnYu #profdev #classroommanagement #teaching #learning #education #edusky

#ManagingStudentBehavior provides an in-depth understanding of how to identify, understand, and defuse challenging classroom situations with ALL your students: bit.ly/3UXJnYu #profdev #behavior #discipline #classroommanagement #teaching #learning #education #edusky

From word problems to open-ended rich tasks to real-world math problems, #MessingAroundWithMath provides a one-stop shop for ready-to-use problems that engage students in a better understanding of key math concepts: bit.ly/4b8emqR #profdev #math #mathematics #numeracy #education #edusky

I’m looking forward to be facilitating 2 sessions at #PCTM2025 today! We will be exploring mathematical modelling, retrieval practice (Science of Learning) and I will share a resource with over 4000 #math problems. #edusky #mtbos #iteachmath

A one-stop shop of ready-to-use problems that engage students in a better understanding of key math concepts — #MessingAroundWithMath from David Costello: bit.ly/4b8emqR #edchat #profdev #math #mathematics #numeracy #problemsolving #education #edusky

Discover 90 interactive minibooks that support key math concepts and promote independence in young math learners as they learn and grow with #ICanDoMath: bit.ly/3Z0PkFR #edchat #profdev #math #mathematics #numeracy #education #edusky

I have just updated Daily Cumulative Review (a great math warmup activity) and I’ll be adding a new Problem of the Week. Click here costellomath.com #edusky #iteachmath #math

I just posted a new Problem of the Week! Prompts for K-3, 4-6 and 7-9. This week’s focus - an open-ended task that focuses on math vocabulary and operations. Click here costellomath.com #edusky #math

What am I doing before watching tonight’s big hockey game? I’m creating Daily Cumulative Review questions for Grades 3-8 and Problem of the Week tasks for Grades K-8. Both will be posted to my website shortly.

Check it out!! If you life in the USA, you can now order my #math books from Routledge. Click here to get one of my books that can help you move student learning forward in your class. www.routledge.com/go/pembroke-publishers #mtbos #iteachmath #edusky

My session #CAP2025 starts in 10 minutes. I’ll examine how we need to revise our approach to professional learning and I’ll share an approach we can take to ensure professional learning meets its intended goals. #education ⁦‪#edusky

I’m thrilled to be at @CdnPrincipals for their annual conference. I’m leading a session on how we can strengthen professional learning by infusing #ScienceofLearning into how we plan, structure and facilitate professional learning. #education #edusky

David was my last presentation at OAME and made me truly stop and think about what kind of questions I provide students. Then he dropped the ultimate teacher freebie: the New Daily Cumulative Review! I cannot wait to share this incredible resource with my colleagues today! #OAME #scdsb #math

New Daily Cumulative Review questions have been posted for this week. Addressing #math key concepts from Grades 3-8. Great warm-up activity. Click here costellomath.com/daily-cumula... #mtbos #edusky #education

Are you and your school board familiar with retrieval practice? It is an instructional and learning strategy that makes such a positive difference in terms of student achievement. Check out a short overview about retrieval practice here costellomath.com/retrieval-pr... #edusky

I had the opportunity to attend an #OAME2025 session facilitated by @GLewisOCT. It was fantastic!!

Awesome! We love to see these opportunities for learning<3

I’m looking forward to chatting #math with educators attending #OAME2025. I’ll be talking about problem solving, metacognition and a literate environment this afternoon.

From word problems to open-ended rich tasks to real-world math problems, #MessingAroundWithMath gives teachers a complete toolbox to use in the classroom. Check it out: bit.ly/4b8emqR #edchat #profdev #math #mathematics #numeracy #problemsolving #teaching #learning #education

#MessingAroundWithMath: A one-stop shop of ready-to-use problems that engage students in a better understanding of key math concepts — check out the free online preview for a sneak peek: bit.ly/4b8emqR #edchat #profdev #math #mathematics #problemsolving #teaching #learning #education

Looking for an effective, yet manageable way to review key math concepts? I have just updated Daily Cumulative Review for Grades 3-8! Questions from the first of September through the first week of May! Click here costellomath.com/daily-cumula... #math #mathchat #education

Check it out! Costello Math is growing! Listen to see what we are working on and how we can support you! #onted #math #maths #mtbos #iteachmath

Check it out! Costello Math is growing! Listen to see what we are working on and how we can support you! #onted #math #maths #mtbos #iteachmath

I have just updated Daily Cumulative Review for Grades 3-8! Questions from the first of September through end of April! Click here costellomath.com/daily-cumula... #mtbos #math #iteachmath

Are you looking for a math routine that Is effective, yet manageable? Do you need a math warmup to review key concepts? Try Daily Cumulative Review. Questions for the whole school year. Click here costellomath.com/daily-cumula... #iteachmath #math

Looking for more than 2800 math problems? Check out the Problem Toolbox where problems are sorted by grade level, key concept and problem type. Click here costellomath.com/problem-tool... #math #retrievalpractice #mtbos

Looking for a way to review key concepts in math. I have just updated Daily Cumulative Review for Grades 3-8. Questions for the full school year! Click here costellomath.com/resources/ #elemmathchat #math #mathchat

New Daily Cumulative Review questions have been posted on Costello Math! Questions from September-April for Grades 3-8. Great for a #math warm-up task. Click here costellomath.com/daily-cumula... #maths #elemmathchat #iteachmath

I’m looking for help!! Do you think there is a need for more #math resources to be made available to educators? - PD books - Concept specific books - Instructional strategy books Do you think there is a need for a company to specialize in such resources? #elemmathchat #mtbos #iteachmath

Check it out! I have just posted new questions for the Daily Cumulative Review. Questions targeting Grade 3-8 key concepts. Teachers are seeing great gains in student learning since introducing this #math warm-up activity. Click here costellomath.com/daily-cumula... #mathchat #mtbos #iteachmath

Check it out! I have just posted new questions for the Daily Cumulative Review. Questions targeting Grade 3-8 key concepts. Teachers are seeing great gains in student learning since introducing this #math warm-up activity. Click here costellomath.com/daily-cumula... #mathchat #mtbos #iteachmath

I have just posted new weekly questions for a #math warmup. Click here costellomath.com/resources/ #elemmathchat #mtbos #iteachmath

I just posted new Daily Cumulative Review questions for this week!! Click here costellomath.com/daily-cumula... #mtbos #elemmathchat #math #iteachmath