“Which is the best kindergarten math curriculum for Kids? Singapore Math is the most advanced math curriculum in the world. These are activity books for kids to learn math and advanced concepts of real-life math problems. Singapore Math Level 1 Books SM uses the CPA method to teach math concepts to build a very strong foundation in math. Students who complete the Singapore Math book are 2-3 years ahead of other students. They perform better in real-life math and finance. Level 1 (1A & 1B) is a complete set for KG-1, 2, and Grade 1 level students covering the entire math program at this level. Two books have 170-page activity-based book with Numbers (up to 100, Number Bond, Comparing Number, Addition, Subtraction, Multiplication, Division, Graph, Half & Quarter, Length, Weight, Time and Money concepts. Level 1 (1A & 1B) has two books. They are appropriate for KG – 1, 2, and Grade – 1 student