Multiplying decimals
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Transcript of Multiplying decimals
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Monday, August 29th • Happy Monday! • Please write down the
homework • Please complete the Warm Up
Write each decimal in standard form1. 2 and 25 hundreths 2. five tenths
Warm UP
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Corny Joke of the Day
Why did the forgetful student never make it through
Medical school?
Because he couldn’t remember the order of
operations
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Test #2Thursday!!!!!!!!!!
!
Attention Attention!
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Candy Winners
Survivor
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Quiz
Table of Contents
Date: 8/29Section: 3.3 Title: Decimal Quiz Page:
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Answers
6 point a piece 1. Hundreths2. Ten thousandths 3. ones 4. Tenths 5. 16.07, 16.6, 16.676. 1.09,1.19,1.9,1.9017. 11.88. 9.44
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Answers
6 point a piece9. 33.83 x 1.9810.10.5 ÷ 3.4211. 1112. 3.313. 5.714. 3115.15.4 was Dawn’s total score
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MutliplyingDecimals
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Table of Contents
Date: 8/29 Section: 3.5Title: Multiplying Decimals Page:
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Welcome To….
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Your Mission….
To find out how much each plant
will grow in 1 week
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First Part
Multiplying a decimal by a
decimal
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Recipe
1. Write your decimals vertically2. Multiply your two numbers 3. Add up the decimal places to the right
of each number.4. Answer to step 3 is the amount of
places you move your decimal to the left.
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Just WatchFind the product.
0.5 0.2
Multiply, Then place the decimal point.
0.5
0.21 decimal place
+ 1 decimal place
2 decimal places 0.10
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You Try!
a. 12.6 x 2.1 1. Write your decimals vertically
2. Multiply your two numbers
3. Add up the decimal places to the right of each number.
4. Answer to step 3 is the amount of places you move your decimal to the left.
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Practice makes perfect
b. .3 x .4
c. 1.34 x 2.5
d .07 x .8
Complete and then help others in your group!
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Second Part
Evaluating
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What does it mean?
Who can find it first…..
Ready, Set, Go
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What Ms. Evan’s found…
Add to OwnTo find the value of a
numerical or algebraic expression
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Steps to Evaluating
1. Substitute value given wherever you see the variable
2. Perform the given operation(s)
M = 3 3m
3 x m3 x 3=9
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Evaluate each expression for x =4
1. 3 + x
2. 12 ÷ x
3. 4x
4. x-3
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Now We’re ReadyTo Help the
Heritage Center!
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In Your groups….
• Answer the 6 questions• When done raise your hand
for me to check• Put both notes & Classwork
in binder• Start working on
Homework: Worksheet p. 19