# Best Buys, Ratios, and Rates

## Addition and Subtraction of Fractions

**is one of five units in the**

*Best Buys, Ratios, and Rates: Addition and Subtraction of Fractions**Contexts for Learning Mathematics’ Investigating Fractions, Decimals, and Percents*(4–6)

**Special Offer**: Save 30% off our list price automatically when you buy 15 or more.

#### Full Description

**is one of five units in the**

*Best Buys, Ratios, and Rates: Addition and Subtraction of Fractions**Contexts for Learning Mathematics’ Investigating Fractions, Decimals, and Percents*(4–6)

*Field Trips and Fund-Raisers*.