New in the 2025-26 school year, Math 3 is the precursor to Math 4 in the think! Mathematics series. In this course, teachers engage young students in meaningful discussions about mathematics, fostering curiosity and deep conceptual understanding. Through intriguing content and interactive exploration, Math 3 builds essential skills and inspires wonder and appreciation for mathematics.

Topics include: basic operations with whole numbers, estimation of sums and differences, fractions to include halves, thirds, fourths, sixths, and eighths; measurement of length, height, volume, money and data; and two-dimensional geometry concepts such as polygons, perimeter, and area. Real-world problems enable all learners to explore and connect concepts seamlessly.

For help with proper placement, you can use the Singapore Math “Primary Mathematics” placement tests.

Suggested Grade Level: 3 (best suited for students ages 7–9)

Grammar Level Math Book List – 2025-2026