# Adding, Subtracting, Multiplying - PowerPoint PPT Presentation

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## Adding, Subtracting, Multiplying

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### Adding, Subtracting, Multiplying & Dividing Decimals Copy the with a RED TITLE and a YOUR NOTEBOOK SETUP DECIMALS (LEFT SIDE OF NOTEBOOK) TODAY S DATE (RIGHT ... – PowerPoint PPT presentation

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Title: Adding, Subtracting, Multiplying

1
Adding, Subtracting, Multiplying Dividing
Decimals
2
Copy the slide with a RED TITLE and a
3
• DECIMALS (LEFT SIDE OF NOTEBOOK)
• TODAYS DATE (RIGHT SIDE OF NOTEBOOK)

4
DO NOW (3 mins) PKB (Prior Knowledge Box)
Topic Decimals Misconceptions
Complete this side only. List anything that you know about the above topic.
5
STANDARD- 7N.S. 1.2
• Add, subtract, multiply, and divide decimals.

6
OBJECTIVE
• HUSKIES WILL BE ABLE TO ILLUSTRATE HOW TO
__________________________________________________
_______________________________

7
Vocabulary
• 1)Digits- ___________
• 2)Multiplication- _______
• 3)Division- _______
• 4)Decimal- A number written in _____________,
using ___________ falls between two
____________.

8
1. ________ the decimals.
2. Add in _______.
3. Then ___________.
4. Drop _________ down.

9
Example 1
5.74 3.3
10
What would happen if we added 5 (a whole number)
to 3.3?
5 3.3
11
Example 2
0.86 0.4967
12
Multiply decimals
1. Line up the ______. (more digits on top).
2. ________ the digits.
3. ________ the places.
4. ______ _____ decimal.

13
Example 3
7.34 x 4.333
14
What if 4.333 was negative?
7.34 x -4.333
15
Dividing decimals
1. ________problem.
2. _______ number move the decimal to the ____.
3. Move _____ numbers decimal over as ____ ____ as
the outside number, then divide.
4. Bring decimal straight up.

16
Example 4
37.04 0.8
17
What would happen if 0.8 became 8 (a whole
number)?
37.04 8
18
Prior Knowledge Box (PKB)
Topic Decimals Misconceptions
What did you think you knew but you found out was a misconception? If you didnt have any prior knowledge, what did you learn/ review today?
19
Station Overview (30 mins per station)
• Collaborative- Decimal worksheets (Bring up for
a check after page 1).
• Direct- White board Practice work with Ms.
Ahumibe.

20
Direct station
• http//www.math-play.com/Decimals-Jeopardy/decimal
s-jeopardy.html

21
Decimals Exit Slip
• Name
• Date
• Period

22
Agenda
• Homework- What is the Title? Worksheet Pg.
B-65
• Bring a white board marker
• (DUE P.1,3,5- Mondays and Thursday. P.2,4,6-
Tuesdays and Fridays)