Marcie Sun

PGCPS Mathematics Instructional Specialist inspired by the leadership, dedication & kindness of others. Proud wife & mom of creative 12 YO.Opinions are my own

[Marcie Sun @SunLovesMath]

Best. Math. Team. Ever.

[PGCPS @pgcps]

Great instruction starts with great support! 💡 In PGCPS Math Learning Labs, educators observe and sharpen skills. #TeamPGCPS

[Marcie Sun @SunLovesMath]

@Commanders @JR1ERA Happy Birthday Reavo!!!!!

[Marcie Sun @SunLovesMath]

@PRINCIPAL_DUVAL Love this! You continue to inspire Principal Strother!

[Marcie Sun @SunLovesMath]

@PRINCIPAL_DUVAL You got this! And so glad you are feeling better! Wishing you an amazing year!

[PGCPS @pgcps]

Back-to-School Countdown | Bell Times Adjusted for All Schools
Be on time for school! All schools will have a slightly longer school day this year:
https://t.co/L8WNMVGVPa

[MCTM @MCTM_News]

MCTM Conference: https://t.co/YRBJMQJFVl

Conference Date: Friday, October 16, 2026

Where: Linganore High School

#math #MathEducation #mathed #marylandmath #marylandeducation #MCTM #education #ProfessionalDevelopment

[PGCPS @pgcps]

Prince George's County Public Schools is seeking the best and brightest talent to join our team. We are committed to finding the most qualified individuals to support our students and ensure our district continues moving "Forward by Design".

[PGCPS @pgcps]

Join #TeamPGCPS! ✨ We're hiring for 2026–27. From classrooms to operations, find your place. Apply now or join our July 29 hiring event! ✅ Learn More: https://t.co/hBxOZI1A6G

[Marcie Sun @SunLovesMath]

Best. Math. Team. Ever. #PGCPSProud #ForwardByDesign

[Marcie Sun @SunLovesMath]

The year was 1995 and I was clueless about how to teach. Then I watched her and knew - that was the kind of teacher I wanted to be. 30 years later and no matter how much time passes, being together feels like home. ❤️ Forever grateful for this lifelong friendship! #FTEfamily

[PGCPS @pgcps]

☀️ School may be out, but free meals are still on the menu!
No registration, ID, or proof of residency is required.
🍎 School Sites: July 1–31
🥪 Community Library Sites: July 7–August 6
View details at: https://t.co/MdZbC098VB
#PGCPS #SummerMeals

[PGCPS @pgcps]

Maryland's revised PreK-8 math standards launch 2026-27! Join MSDE Virtual Family Info Sessions June 18 & 27. Register: https://t.co/hw6EJMTxmn

[PGCPS @pgcps]

Join us virtually to learn practical ways for families to keep children engaged in learning and support their growth during the summer. Register: https://t.co/rNDtATCDY8

[Marcie Sun @SunLovesMath]

#PGCPSMathProud

[PGCPS @pgcps]

The PGCPS 6th Annual Middle Grades Math Meet on April 18 at Fairmont Heights High united 600+ students and families for four rounds of dynamic math and STEM activities celebrating problem-solving and collaboration.

[PGCPS @pgcps]

Join us virtually to discover easy ways families can engage children in learning at home and support kindergarten readiness! Register: https://t.co/rNDtATCDY8

[Marcie Sun @SunLovesMath]

@Commanders #TeamTress Happy Birthday!!!!

[Robert Kaplinsky @robertkaplinsky]

This 7-minute video on early numeracy and counting from Graham Fletcher is perfect for Pre-K to 1st grade teachers.

https://t.co/3oQzb6lv59

[Marcie Sun @SunLovesMath]

@SoniaMatthew2 @tjvari Congratulations!! So truly well deserved, can’t wait to read it!!!

[Marcie Sun @SunLovesMath]

An amazing day filled with a community coming together to share the beauty and joy of mathematics! #PGCPSProud #weareallmathpeople

[PGCPSK5Math @PGCPSK5Math]

Everyone was BEAMing this Saturday at our Be Excited About Math Fair! Such a wonderful turnout on a sunny Saturday. Hope to see you next year. @pgcps @PGCPSEarlyLearn @PGCPSCurriculum @PGCMLS

[Marcie Sun @SunLovesMath]

@hwinkler4real Just picked up 4 chocolate babka from there yesterday!!! Delish!!!