Solving One Step Equations with Division

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Presentation transcript:

Solving One Step Equations with Division

Solving One Step Equations with Division Example 1: y = 4 5 5 1 5(4) = 1(y) 20 = 1y y = 20 Original equation Note: * To solve equations with division, put the whole number over on and cross multiply. Put the whole number (4) over one. Cross multiply Check: y = 4 5 20 = 4 4 = 4 Original equation Substitute your answer to check to see if the two sides are equal. Solution

Solving One Step Equations with Division Example 2: 12 = z 3 1 3 1(z) = 12(3) 1z = 36 z = 36 Original equation Note: * To solve equations with division, put the whole number over on and cross multiply. Put the whole number (12) over one. Cross multiply Check: 12 = z 3 12 = 36 12 = 12 Original equation Substitute your answer to check to see if the two sides are equal. Solution

Solving One Step Equations with Division Try these: Show all work and check your solutions. 1.) x = 11 2.) 16 = y 3.) 8 = z 6 3 4 Check: Check: Check:

Solving One Step Equations with Division Real-Life Application One fourth of the number of students in the sixth grade class are planning on coming to the Halloween Masquerade. If 68 6th graders came to the masquerade, how many students are in 6th grade at IMS? Set up and solve an equation to find the answer. Verbal Story Algebraic Equation

Solving One Step Equations with Division Real-Life Application In a recent game, the IMS basketball team scored one-third of their points in a 10 minute span. If the team scored 24 points during that 10 minute period, how many points did they score in the whole game? Set up and solve an equation to find the answer. Verbal Story Algebraic Equation