These summer activities will improve your 3rd grader's critical thinking and problem-solving skills! They are fun and engaging brain teasers that are solved using the mixed operations of addition, subtraction, multiplication, and division. These fun worksheets are based on 3rd-grade math standards and are ideal for early finishers, gifted students, and math extensions. Students will also use their mental math skills to solve the problems. See complete samples in the preview!NO TEACHER PREP! Th