- Add Like Fractions with Number Line Models or Add Like Fractions with Circle Models will give instruction and practice in addition of fractions. Each addend in these program have like denominators.
- Add Unlike Fractions with Number Line Models or Add Unlike Fractions with Circles Models will give instruction and practice in addition of fractions with unlike denominators. Common denominators may be required.
- Add Fractions-Strict with Number Line Models or Add Fractions-Strict with Circle Models will give instruction and practice in addition of fractions with unlike denominators. The sum must be entered as a mixed number and in lowest terms.
