Add, subtract, multiply, and divide decimals to Apply the properties of operations to generate hundredths, using concrete models or drawings equivalent expressions. For example, apply the and strategies based on place value, properties distributive property to the expression 3 (2 + x) of operations, and/or the relationship between to produce the equivalent expression 6 + 3x; addition and subtraction; relate the strategy to a apply the distributive property to the expression written method and explain the reasoning used. 24x + 18y to produce the equivalent expression 6 (4x + 3y); apply properties of operations to y + y + y to produce the equivalent expression 3y. Solve linear equations with rational number Apply properties of operations as strategies to coefficients, including equations whose add, subtract, factor, and expand linear solutions require expanding expressions using expressions with rational coefficients. the distributive property and collecting like terms.
Add, subtract, multiply, and divide decimals to hundredths, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Apply the properties of operations to generate equivalent expressions. For example, apply the distributive property to the expression 3 (2 + x) to produce the equivalent expression 6 + 3x; apply the distributive property to the expression 24x + 18y to produce the equivalent expression 6 (4x + 3y); apply properties of operations to y + y + y to produce the equivalent expression 3y. Apply properties of operations as strategies to add, subtract, factor, and expand linear expressions with rational coefficients. Solve linear equations with rational number coefficients, including equations whose solutions require expanding expressions using the distributive property and collecting like terms.