understanding_multiplication - Etiwanda E

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Transcript understanding_multiplication - Etiwanda E

Understanding Multiplication
by Pam Parker
What Comes in Multiples?
• Twos
• Threes
What Else Comes in Multiples?
• Fours
• Fives
What is multiplication?
• Multiplication is adding the same number
over and over a bunch of times.
• That’s why we also call them “times”
tables.
Multiplication Models
How can you find products?
• Draw an array
• Draw circles and stars
3 rows of 4
3x4
3 groups of 3
3x3
More Models
•6
•6
•6
•6
• Use touch points
• Example for 6 x 4,
write “6” four times
• Use touch points to
add up answer
How will memorizing multiples
make your life easier?
• It takes less time than adding over and over.
• Knowing your times tables make learning
long division, and fractions easier.
Solve This Problem
• Marina went to the store.
• She bought 5 stickers that cost 6 cents each.
• How much money did Marina spend in all?
The Solution
• The answer was 30 cents.
• How did you solve the problem?
Works Cited
Google.com (images)
www.bbc.co.uk/.../ morescience_faceperception2.shtml
Picture of eyes
Microsoft Clip Art On Line
http://dgl.microsoft.com/
Most of the clip art used in this presentation.