EnVision Math Topic 3: Lesson 3-1 Meaning of Multiplication 2010-11
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Transcript of EnVision Math Topic 3: Lesson 3-1 Meaning of Multiplication 2010-11
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EnVision Math
Topic 3:
Lesson 3-1
Meaning of Multiplication
2010-11
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Ryan A. & Chelsie Meadow & Allison
Maryah & Jayla Ryan V. & Brandon
Ariana & Elijah Cameron & Jadyn
Matthew, Nicholas
Mikayla & Chase
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Mrs. Gibson Allison M.CameronBrandonRyan V.ChaseMatthewElijahMaryah
Miss RobinsonMikaylaJaylaJadynSaulRyan A.
Ms. FechoChelsieMeadowNicholasAriana
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Marcy used blocks to build a wall 6 blocks wide and 4 blocks high.
How many total blocks did she use?
4 x 66 + 6 + 6 + 6 = 24
= 24
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How can multiplicatio
n be used when equal groups are combined?
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How many blocks would you need to build a wall that is 5 blocks wide
and 3 blocks high?
3 x 5 = 155 + 5 + 5 = 15
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3 x 5 = 15
productfactors
the number of groups
3 x 5 = 153 x 5 = 15
the number of items in each
group
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3 x 5 = 15
5 + 5 + 5 = 15
5 x 3 = 15
3+3+3+3+3=15
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2 x 5 = 10
5 + 5 = 10
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3 x 3 = 9
3 + 3 + 3 = 9
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3 x 6 = 18
6 + 6 + 6 = 18
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6 x 2 = 122 + 2 + 2 + 2 + 2 + 2 = 12
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3 + 3 + 3 + 3 = 124 x 3 = 12
5 + 5 + 5 + 5 + 5= 255 x 5 = 25
8 + 8 + 8 = 243 x 8 = 24
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Beth saw 2 groups of 4 moths. Draw a picture to show 2 groups of 4.
Then draw an array to show 2 x 4.
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Rudi and Eva collect plastic frogs. Rudi collected 5 frogs. Eva collected 3 times as many frogs. How many frogs
did Eva collect?
3 x 5 =15 frogs
Rudi’s frogs Eva’s frogs
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Martha has 5 rubber ducks. Jim has twice as many rubber ducks. How many rubber ducks does Jim have?
2 x 5 =
10 rubber ducks
Martha’s ducks Jim’s ducks
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multiplication
7 x 2 = 14 miles
per
Topic 3:
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Mr. O’Neil formed 6 teams in his first gym class. He put 4 students on each team. How many students were in Mr. O’Neil’s first gym class?
6 x 4 =
each
24 students
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multiplication
7 x 2 = 14 miles
per , each
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Mrs. Chaiko baked 20 cookies for Thanksgiving. Ms. Fecho baked 3 times as many cookies. How many cookies did Ms. Fecho bake?
3 x 20 =
times as many
60 cookies
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multiplication
7 x 2 = 14 miles
per , each , times as many
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product
factors
groupsitems in each group
4 5 20
array
6 6 6 6 24
4 6 24