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Week 6 : 3.1 – 3.2 Wednesday Day 4 of 3.2 Bell Ringer Write an equation to represent: I need to spend exactly ten dollars at the grocery store buying apples and bananas. Apples are two dollars each, bananas are one dollar each. Homework Questions from Homework?? 3.2 Exploring Word Problems Using Elimination Letter activity Walthall Take out a sheet of paper. W could represent… Write your name at the top Watermelons Circle the first letter Weights Write 4 things that your Weeks letter could logically Workbooks represent / stand for. 3.2 Exploring Word Problems Using Elimination 5 …Letter activity 5 could represent… SAME sheet of paper. Write NUMBER of the 5 Watermelons MONTH you were born 5 weights below your list. 5 weeks Write 4 things that your 5 workbooks number could logically represent / stand for WITH your previous words. 3.2 Exploring Word Problems Using Elimination …Letter activity SAME sheet of paper. Write these 4 phrases using just your number and your letter. could be shortened to … 5w 5w 5w 5w 3.2 Exploring Word Problems Using Elimination Find a partner with a DIFEERENT LETTER than you. (Different first initial) Leave a space, then write your partners number and letter next to your number and letter. 5w 5w 5w 5w 6m 6m 6m 6m 3.2 Exploring Word Problems Using Elimination Fill in the space with either an addition or subtraction symbol. After your partners number and letter, write = and fill in a number larger than 12. Use different numbers each time! 5w + 6m = 15 5w + 6m = 25 3.2 Exploring Word Problems Using Elimination Write a WORD PROBLEM to represent you and your partners number and symbol being added or subtracted to equal that value. Do this 2 times, to make 2 DIFFERENT equations. 5w + 6m = 15 Five watermelons plus six mangos costs fifteen dollars. 5w + 6m = 25 I have twenty five dollars to spend on five dollars per whiteboard plus six dollars per marker. 3.2 Exploring Word Problems Using Elimination TRADE PAPERS with your partner. Now write down ONE of your WORD PROBLEMS for your partner on his/her paper. TRADE BACK Write an EQUATION for his/her word problem. Five watermelons plus six mangos costs fifteen dollars. 5w + 6m = 15 I have twenty five dollars to spend on five dollars per whiteboard plus six dollars per marker. 5w + 6m = 25 3.2 Exploring Word Problems using Elimination Congratulations! You just explored how to write word problems from equations, and how to write equations from word problems. Now let’s practice writing two at a time. (Making a ______ of _____) 3.2 Explain Pg 22 workbook resources Word Problem Practice #1,2,4 3.2 Explain y=27-3x y=17-x Multiply second by -1 y=27-3x -y=-17+x + 0y=10-2x 2x=10 x=5 3.2 Explain y=2x+3 3y=6x+6 Multiply first by -3 -3y=-6x-9 3y=6x+6 + 0y=0x-3 0=-3 !? No solution 3.2 Explain 2x+1y=11 6x+5y=38 Multiply first by -3 -6x-3y=-33 6x+5y=38 + 0x+2y=5 2y=5 y=5/2= $2.50 3.2 Elaboration 3.2 Elaboration Homework Worksheet SHOW ALL WORK for credit Practice Test First HALF due Thursday (tomorrow) Second HALF due day Friday (Test day)