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Monday, October 17 th. Warm Up. Please take a new warm Up and complete Write down Homework. Simplify (-14) + (-7) – 10 Find the difference . New Seating Chart. Weekly Review Answers. * No Weekly Review this Week. Schedule for the Week. Today: multiplying decimals and fractions
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Monday, October 17th Warm Up Please take a new warm Up and complete Write down Homework Simplify (-14) + (-7) – 10 Find the difference
Weekly Review Answers *No Weekly Review this Week
Schedule for the Week Today: multiplying decimals and fractions Tuesday: Dividing fractions and decimals Wednesday: (sub) multiplying and dividing fractions word problems * study guide Thursday: (field trip) Review Study guide, Witches Brew due Friday: • Teacher Project DUE-present Projects • x and ÷ decimals due • Weekly review due MONDAY IS TEST
A little Riddle…. “Line up your decimals, add in your zeroes, find the sum, don’t be a bum…..line up your decimals, add in your zeroes, now it’s time to subtract, don’t get this out of wack”
Multiplying Decimals • You do NOT have to line up your decimals • Put the number with the most digits on top • Multiply the two numbers • Add up the number of places to the right of the decimal in both numbers. That is the number you have to move your decimal place over to the left.
Just Watch 3.45 x .7
Unit #1 Fractions +, -, x, and ÷
Quiz Answers Great Job!
Todays Mission Multiplying fractions
1. The Recipe • Reduce fraction(if possible) by looking at the numbers are diagonal from each other. Think: what the GCF? • Multiply numerators • Multiply denominators • Simplify
5 4 4 1 4 5 4 __ __ __ __ __ __ __ 7 15 21 7 7 15 3 Just Watch • Use the GCF to simplify the fractions before multiplying. The greatest common factor of 5 and 15 is 5. 1 = • • 3 1 • 4 _____ Multiply numerators. Multiply denominators. = 7 • 3 The answer is in simplest form. =
2. You Try! a. b.
1 3 3 3 1 1 __ __ __ __ __ __ 2 6 2 6 12 4 a. • 1 • 3 _____ Multiply numerators. Multiply denominators. = • 2 • 6 The GCF of 3 and 12 is 3. = The answer is in simplest form. =
3 5 5 1 5 3 5 __ __ __ __ __ __ __ 7 9 21 7 7 9 3 b. • Use the GCF to simplify the fractions before multiplying. The greatest common factor of 3 and 9 is 3. 1 = • • 3 1 • 5 _____ Multiply numerators. Multiply denominators. = 7 • 3 The answer is in simplest form. =
3. Multiplying whole numbers Remember: • Every whole number is a fraction. • Place the whole number over 1
Multiply. 2 2 1 16 8 __ __ ___ __ __ 1 3 3 3 3 Just Watch 8• • = Write your answer in simplest form. = 5
You Try! a. b. This is soooo easy!
When is it due? Thursday, October 20th *If you complete it correctly, I will make the witches brew for you on Thursday!
Project #2: Teacher tool • You must make an instructional tool to teach the four different operations using fractions • 25 points per operation (+, -, x, and ÷) • You will present this project to the class • You may work with 1 other person You can use: Poster, foldable, PowerPoint, game or……? This is due Friday
Worktime • Work on Witches Brew (+, -, and x) • Teacher Tool Remember To show work