Skill: fractions-add-subtract

Bar Addition Lab

Add two fractions with bars: pick each fraction, see them renamed to a shared strip, and watch the total fill up.

Bar addition lab

Pick two fractions. The lab renames both to a shared strip of the LCD, then fills the total — watch wholes appear when the sum passes 1.

First: shaded: 1

First: total: 2

Second: shaded: 1

Second: total: 3

Add 3/4 + 1/2. How many fourths is the total? Where does the whole appear?

Drill it with hints.

See it move.

Print 20 fresh problems.

Beat the clock.