#### 9.B3.2

Apply an understanding of unit fractions and their relationship to other fractional amounts, in various contexts, including the use of measuring tools.

#### 9.B3.3

Apply an understanding of integers to explain the effects that positive and negative signs have on the values of ratios, rates, fractions, and decimals, in various contexts.

#### 9.B3.4

Solve problems involving operations with positive and negative fractions and mixed numbers, including problems involving formulas, measurements, and linear relations, using technology when appropriate.