4th Grade Math
All the interactive math tools your 4th grader needs! Aligned to key 4th grade math standards.
Fourth grade math extends every major concept from 3rd grade into deeper, more complex territory. Students move from basic multiplication to multi-digit multiplication and long division, from simple fractions to equivalent fractions and fraction operations, and from whole-number measurement to working with angles and unit conversions. It's a year of "going further" — and many students hit their first real math wall here.
Our 4th grade tools align with Common Core standards and target the concepts that research identifies as the most common stumbling blocks: multi-digit algorithms (why does the standard algorithm work?), fraction equivalence (why does 2/4 = 1/2?), and place value with larger numbers. Visual models — base ten blocks for division, fraction walls for equivalence, and bar models for comparison — help kids build understanding alongside skill.
Don't skip the "why" behind long division. Long division is the first algorithm many kids encounter that feels truly mysterious. Before practicing the procedure, use our Long Division tool to see what's actually happening at each step — dividing, multiplying, subtracting, bringing down. When kids understand the logic, the procedure becomes memorable rather than arbitrary.
Use the Fraction Wall daily for 2 weeks. Fraction equivalence is make-or-break in 4th grade, and the Fraction Wall tool makes it visual. A focused 10-minute-per-day practice period over two weeks can build the fraction intuition that students will rely on through middle school and beyond.
Connect unit conversions to cooking and building. After exploring the Unit Conversion tool, practice in the kitchen: "The recipe calls for 2 cups of flour — how many tablespoons is that?" or "We need 3 feet of ribbon — how many inches?" Real-world conversion problems feel like puzzles, not homework.