6th gr Ch 4.7

Warm-up X + 10 = -23 X – 6 = 30 X + 3.4 = 9.8

Answers to homework pg 229 #22-31 22) -14 23) 8 24) 33 25) 7 26) -1 27) 21 28) -25 29) 0 30) -10 31) 7.7 32) 21.6 33) 7

Ch 4.7 1) solve multiplication and division equations Standard: AF 1.1 write and solve 1 step linear equations in 1 variable. CONNECT BEFORE you solved addition and subtraction equations. NOW you will solve multiplication and division equations. Goals: 1) solve multiplication and division equations 2) solve equations using the reciprocal

Set it up using the box and wall method. Name date period Multiplication and Division Equations Essential question: How do we solve equations involving multiplication or division? Steps: Set it up using the box and wall method. Do the inverse operation to both sides. Simplify both sides of the equations.

Integer rules (multiply/divide) + + positive answer - - positive answer + - negative answer

Ex 1) solve a multiplication equation The inverse of multiplying is dividing. 1) 6x = 54 2) -x = -8 3) -3x = 45

Practice 1) 16 = -x 2) -12x = 108 3) -13x = 65 4) 8x = 88

Practice 1) 16 = -x 2) -12x = 108 3) -13x = 65 4) 8x = 88

Ex 2) division equations The inverse of dividing is multiplying. 1) 2) 3) 10

Practice 5) 6) 7)

Practice 5) 6) 7)

Ex 3) solve an equation using the reciprocal 3a) 3b) 3c) 13

Practice 3d) 3e) 3f)

Write 3 questions on the left side. Summary There are ___ steps to solve equation involving multiplication or division. First, __________________________________ . Next, ____________________________ . Finally, _______________________________ .