Base Blocks: Part 1 - A math worksheet using base-10 blocks to practice addition, featuring problems 213 + 34 and 156 + 43 with multiple-choice options.
Base Blocks: Part 1 math worksheet for kids, showing addition problems using base-10 blocks (cubes, longs, flats) to represent numbers 213 + 34 and 156 + 43, with multiple-choice answers.