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What’s ahead in fourth grade?

February 10, 2021 | Ms. Jonker

This week, Adventurous did a mini STEAM unit exploring a topic of choice! After this interim period, students will begin a new projects about simple machines. Today students reflected about partner work and considered whether they’d want to work with a partner on the next STEAM project.

In math, students are wrapping up multiplication and division.

Drawing pictures to represent multiplication

Blueprints for the “Make Your Own Movie Theater” project

Making a multiple tower



In a few weeks we will begin geometry. They will have opportunities to apply measurement skills and understanding about shapes in project work.

In language arts, students are reading and writing non-fiction. They began this unit seeking out topics that interest them and reading widely about those topics. They chose topics and started note-taking on those topics, narrowing down some different main ideas they can use in their upcoming expository essay.

We have also been meeting as a class to celebrate Black History Month.  We are centering and celebrating the excellence of black voices. We take 15 minutes each morning to discuss exceptional people like Maya Angelou and Mae Jemison. We are also having discussions about the principles of Kwanzaa, and drawing connections between those principles and other things we have been learning about in class and in worship.

The on-campus students continue to enjoy park time together! Yay Snow!


Kat Jonker

Teacher, Grades 4

Kat Jonker is energized by how passionately Mustard Seed School nurtures each student to blossom into the person God has made them to be. She’s honored to teach and learn beside the fourth and fifth grade students here.

Ms. Jonker’s always been surrounded and inspired by dedicated teachers--including her mother! When she began teaching private violin lessons as a high school student, Ms. Jonker began to think about teaching as a career. Soon she realized her passion for teaching and learning as an Elementary Education with an integrated science major at Calvin College. There she flourished as an assistant teacher at Calvin’s middle school chemistry camp. She also led elementary nature programs at Calvin’s ecosystem preserve.

Music remains one of Ms. Jonkers passions and you’ll sometimes get to hear her playing in worship. She’s an avid violin player and spent a disproportionately large amount of her college life in string quartet rehearsals. She listens to music constantly and likes to keep it eclectic, so if you have any music recommendations, send them her way.

Grand Rapids, Michigan, is Ms. Jonker’s home town. Through God-gifted communities of faith there, she found her roots in grace and a life of service.

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