Engage your students with these Maths brain teasers designed to develop critical thinking, problem-solving, and reasoning skills. Perfect for upper primary and middle school Maths, this resource challenges students to think deeply, identify patterns, and explain their thinking. Ideal for bell ringers, warm-ups, fast finishers, enrichment activities, or Maths centers, these brain teasers help create a classroom culture of curiosity and persistence. Included in this resource: 7 interactive sli