FALL Sep 14, 2025–Jan 4, 2026
No Classes: Oct 12 (Sukkos), Dec 21 (Chanukah),
SPRING Feb 8, 2026–May 17, 2026
No Classes: April 5 (Pesach)
Grades N-K
Sun, 11:15 am-12:15 pm and 3:00-4:00 pm
Discover the world of math, while developing number skills through hands-on projects and games.
Grades 1-2
Girls Sun, 11:15 am-12:15 pm
Boys 3:00-4:00 pm
Load up your tool belt and get building with hands-on projects to enhance addition and subtraction skills through real-life problem solving and games.
Grades 3-4
Girls Sun, 11:15 am-12:15 pm
Boys Sun, 1:45-2:45 pm
Build, explore, and experiment with a variety of multiplication & division games, activities, and challenges.
FALL Sep 14, 2025–Jan 4, 2026
No Classes: Oct 12 (Sukkos), Dec 21 (Chanukah),
SPRING Feb 8, 2026–May 17, 2026
No Classes: April 5 (Pesach)
Junior Math Explorers (N-K)* | Girls & Boys | 11:15 AM – 12:15 PM or 3:00 – 4:00 PM |
Young Math Explorers (Grades 1-2) | Girls | 11:15 AM -12:15 PM |
Boys | 3:00 PM – 4:00 PM | |
Advanced Math Explorers (Grades 3-4) | Girls | 11:15 AM – 12:15 PM |
Boys | 1:45 – 2:45 PM | |
*To be eligible for our Junior Math Explorers class, a child must be enrolled in a 4 year-old program in one of the community preschools or turn 4 by Nov. 30, 2025. |
Sign up by September 3 to reserve your spot. Participants signing up late will be charged a $30 late registration fee. Pre-registration is required so that we can be prepared with staff and supplies for the right amount of students. For more information, please email us at programs@walderlab.org or give us a call at 773-649-5360.
$160/semester includes 12 classes. Siblings join with a 25% discount. Additional Sunday class (Science Explorers or Lifecycles) is $100. Need-based scholarships are available upon request. Students are welcome to try the first class at no charge.
Programs are included for Walder Science members, visit our membership page for details. Late registration fee of $30 applies if registering after September 3.
Transportation option is now available! $100 per student for 12 weeks.