ThinkBuild Classrooms

Transform your classroom into a hub of curiosity and collaboration with Big Brain Challenge! This resource includes 2 full weeks of engaging math challenge questions designed to build critical thinking, problem-solving, and perseverance in grades 4–6. Each daily challenge goes beyond simple computation — students must plan, reason, and explain their thinking. Whether it’s calculating how much popcorn a theater can sell, estimating large sums, or solving multi-step word problems, these tasks