Choose a topic to explore
Operations & Algebraic Thinking
Discover multiplication and division, solve word problems, and explore properties that make multiplication faster.
Base Ten Operations
Round numbers, add and subtract within 1,000, and multiply single-digit numbers by multiples of 10.
Fractions
Understand fractions as numbers on a number line, explore unit fractions, find equivalent fractions, and compare fractions.
Measurement & Data
Tell time to the minute, measure liquid volumes and masses, read graphs, and find area and perimeter.
Geometry
Classify quadrilaterals by their attributes and partition shapes into equal areas expressed as fractions.