Grade 4 equivalent fractions simulation. Multiply and simplify with a hammer and tongs, compare fractions using benchmarks. Free 4.NF.1, 4.NF.2 activity.
Interactive Grade 4 place value simulation. Read, compare, and round multi-digit numbers up to 1,000,000 with visual skyline towers. Free 4.NBT activity.
Plot ordered pairs on a first-quadrant grid to trace a treasure route, then sort quadrilaterals into a family tree where properties flow from parent to child.
