Free interactive 3rd grade multiplication and division practice. Explore equal groups, arrays, and word problems. Aligned to CCSS 3.OA.1-6.

Build 3rd grade multiplication fluency and spot number patterns. Multiply by 10, discover the times table, and solve two-step problems. CCSS 3.OA.7-9, 3.NBT.3.

Practice telling time to the minute, measuring mass in grams and kilograms, and liquid volume in liters. Free 3rd grade interactive aligned to CCSS 3.MD.1-2.

Learn 3rd grade fractions: unit fractions, equivalent fractions, and comparing fractions on a number line. Free interactive practice for CCSS 3.NF.1-3.

Learn area and perimeter by tiling rectangles. Practice unit squares, side-length problems, and same-perimeter-different-area comparisons. CCSS 3.MD.5-8.

Practice scaled bar graphs, line plots with halves and fourths, quadrilateral categories, and equal-share partitioning. Free CCSS 3.MD.3-4 and 3.G.1-2 simulation.

See how Sleedu, a data-driven K-12 LMS built by a classroom teacher, supports the five strategic goals every district works toward.

See precision and accuracy as dartboard patterns and real lab data. Adjust spread and bias, then prove you can tell them apart. Free interactive.