Revisit a variety of basic math concepts each day. Mixed Skills in Math allows students to maintain skills already learned with these brief, engaging exercises. Your first and second graders will review many essential math concepts including number comparison, addition and subtraction, ordinal numbers, place value, and more. Each light-hearted page contains practice of three math skills plus a bonus exercise that builds critical thinking. The skill level advances incrementally throughout the book, ensuring that your students are always being challenged.