comparison

phet.colorado.edu

Compare numbers represented as numerals, objects, groups, and ten frames. Use a sentence, number line, or stacked units to determine the larger group. Hear the comparison spoken aloud in two different languages.

phet.colorado.edu

Match shapes and numbers to earn stars in this fractions game. Challenge yourself on any level you like. Try to collect lots of stars!

phet.colorado.edu

Discover the unit rate while shopping for fruits, vegetables, and candy. Construct a double number line and look for patterns. Challenge yourself on the race track as you compare cars with different rates!