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“Don’t make me read, make me understand “
www.makemegenius.com– Full of ingredients to make your child a genius.
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Multiplication
Objective:
Multiply a 2-digit number by
a 1-digit number.
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Vocabulary
•
Product The answer to a multiplication problem. (producto)
•
Factor A number that is multiplied by another number to find a product.
(factor)
Ex: 4 x 6 = 24, 4 and 6 are factors of 24
•
Multiply - The act of finding the total number of items in a given number
of groups when each group contains the same number of items. It is a
short cut for addition. (multiplicar)
•
Array An arrangement that shows objects in rows and columns. (matriz)
Example:
3 x 4 = 12
3
*** *
*** *
*** *
4
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Vocabulary continued
• Set -a group of items. (conjunto)
****
****
• Times - to multiply. (por)
• Multiple - the product of a whole number and any
other number
Ex: the multiples of 3 are 3, 6, 9, 12, 15. (multiple)
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What multiplication number sentence can we
use to represent this set of squares?
What word can we
use to describe the
arrangement of this
set?
6
x 4
------24
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6 and 4 are the
factors in this
problem
product
Practice
Find the product.
12
22
31
42
x 3
x4
x4
x3
36
88
124
126
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Multiplication with regrouping
12
x 8
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Multiply the
numbers in the ones
place.
Put the 6 in the
ones place of the
product.
Regroup the 1 to
the tens place.
1
12
x 8
------6
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Multiply the tens
place in the top
number by the ones
place in the bottom
number.
Then you take this
number and add the
1.
Put that answer in
the tens place of the
product.
1
12
x 8
------96
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Practice
Find the product.
29
12
26
25
x 3
87
x5
60
x5
130
x4
100
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Review the vocabulary
•
•
•
•
•
•
•
Product
Multiplier
Multiply
Factor
Set
Array
Times
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TAKS Preparation
Sample Questions
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Ms. Rodriguez bought 4 bags of cookies. There are 17
cookies in each bag. How many cookies did Ms. Rodriguez
buy?
68 cookies
428 cookies
48 cookies
88 cookies
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The third grade classes had a Valentines Day party in the
cafeteria. There were 25 tables with 7 seats at each table.
How many seats were there in all?
1,435 seats
145 seats
125 seats
175 seats
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Maria’s mom made 8 packages of tamales. There are 12
tamales in each package. Which number sentence shows
how many tamales Maria’s mom made?
8 x 12
8 + 12
12 - 8
8x2
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A hexagon has six sides. Miguel drew 7 hexagons.
How many sides did he draw?
6 sides
48 sides
42 sides
7 sides
Hexagons
1
2
3
4
Sides
6
12
18
24
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The table shows how long it takes Alicia to ride her electric scooter.
Miles
Minutes
2
4
6
15
30
45
If this pattern continues, how many minutes will it take
Alicia to ride 10 miles?
60 minutes
80 minutes
10 minutes
75 minutes
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Thanks
Submitted by
Amarjeet
Gurgaon
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If you also want to share your own or your kid’s
presentation(ppt) please send it on
[email protected]
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“Don’t make me read, make me understand “
www.makemegenius.com– Full of ingredients to make your child a genius.
Copyright of www.makemegenius.com, for more videos ,visit us.