WA.4.2. Core Content: Fractions, decimals, and mixed numbers (Numbers, Algebra) Students solidify and extend their understanding of fractions (including mixed numbers) to include decimals and the relationships between fractions and decimals. Students work with common factors and common multiples as preparation for learning procedures for fraction operations in grades five and six. When they are comfortable with and knowledgeable about fractions, students are likely to be successful with the challenging skills of learning how to add, subtract, multiply, and divide fractions.
4.2.G. Simplify fractions using common factors.