4th Grade Math Teacher; Part-Time

4th Grade Math Teacher (Part-Time)

Acera School - Winchester, Massachusetts

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Job : 5872312

Final date to receive applications: Posted until filled

Posted: Aug 05, 2026 12:00 AM (UTC)

Starting Date: Aug 31, 2026

For the  school year, we’re looking for a Part-Time Math Teacher with experience teaching elementary math to join our progressive, student-centered community s educator will bring a deep understanding of mathematical thinking and a commitment to helping students develop conceptual understanding, problem-solving skills, and confidence in mathematics.

At Acera, Math is not about rote procedures or memorization - it is about making sense of ideas, building connections, and developing flexible, creative thinkers. Our Math program emphasizes deep understanding, rich problem-solving, and student-centered exploration. The Fourth Grade Math teacher will play a key role in helping students transition into more abstract mathematical reasoning while maintaining curiosity, agency, and joy in learning.

Salary Range: $11,500 to $13,000 per year

Position Type:
School year, part-time

Class Days and Time:
Mon, Tue, Thu, and Fri. 11:00 AM to 12:00 PM

Additional

Hours:

Various and negotiable, to include planning, prep, reporting, and collaboration

Start Date:

August 2026

• Design and teach engaging 4th Grade math lessons grounded in conceptual understanding, problem-solving, and real-world application
• Support students in developing a deep understanding of core topics such as operations, decimals, fractions, geometry, measurement and data, ensuring students understand the “why” behind the math
• Facilitate student-centered discussions that encourage multiple strategies, mathematical discourse, and critical thinking
• Incorporate rich investigations, tasks, and open-ended problems that promote deep thinking and engagement
• Differentiate instruction to meet a range of learners, including those who may need additional support or greater challenge
• Use formative assessment to monitor student understanding and adjust instruction responsively
• Implement and refine curriculum that aligns with Acera’s constructivist, inquiry-based approach to mathematics
• Continuously reflect on and evolve curriculum to meet the needs of students and reflect best practices in math education
• Collaborate with colleagues across grade levels to ensure coherence and alignment within the math program
• Communicate regularly with families about student progress and growth
• Complete Progress Report comments twice a year
• Participate in Parent/Teacher Conferences once a year

• Experience teaching 4th Grade math or similar elementary Math courses
• Strong content knowledge in foundational Mathematics
• Experience working with elementary students
• Bachelor’s degree required; degree in Mathematics, education, or a related field preferred
• Experience with inquiry-based, constructivist, or problem-based Math instruction is highly desirable
• Ability to differentiate instruction to support a wide range of learners
• A growth mindset and enthusiasm for ongoing learning and professional growth

Position Type: Part-time

Classroom Teacher >
Elementary

Classroom Teacher >
Math:
General

• Bachelor degree preferred.
• Citizenship, residency or work visa required

• Heather Pinedo-Burns
• 5 Lowell Avenue
• Winchester, Massachusetts 01890
• Phone:
• Email: hiring