Addition and Subtraction Math Work Book For Kids. Math fit together Lessons focus on using addition and subtraction concepts and skills in real-life situations. -Level skill 2 Digi Addition and Subtraction,3 Digi Addition and Subtraction,4 Digi Addition and Subtraction - Math method For Kids Grade 3. - Activity books for kids, math homeschool, Workbooks, Charter Schools -120 page with 60 Subject and 60 Answer Key and Coloring Cartoon A-Z / Number These workbooks will boost confidence in problem-solving and critical-thinking skills