FALL Sep 14, 2025–Jan 4, 2026
Classes meet Sep. 14, 21, Oct. 19, 26, Nov. 2, 9, 16, 23, Dec. 7, 14, 28, Jan. 4
SPRING Feb 8, 2026–May 17, 2026
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
Classes meet Sep. 14, 21, Oct. 19, 26, Nov. 2, 9, 16, 23, Dec. 7, 14, 28, Jan. 4
SPRING Feb 8, 2026–May 17, 2026
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.
Programs are included for Walder Science members, visit our membership page for details.
Transportation option is now available! $100 per student for 12 weeks.