I Can Use Fractions to Help Me Understand Math I can add and subtract fractions with unlike denominators and mixed numbers. 5.NF.1 I can solve word problems that involve fractions. 5.NF.2 I can understand that fractions are really the division of a numerator by the denominator. 5.NF.3 I can solve word problems where I divide whole numbers to create an answer that is a mixed number. 5.NF.3 I can multiply a fraction or whole number by a fraction. 5.NF.4 I can think of multiplication as the scaling of a number (similar to a scale on a map.) 5.NF.5 I can solve real world problems by multiplying fractions and mixed numbers. 5.NF.6 I can divide fractions by whole numbers and whole numbers by fractions. 5.NF.7