2 Digit by 2 Digit Multiplication

1
2 Digit by 2 Digit Multiplication
2

• 36 X 23

3
THINK

• 36 X 3
• FIRST

4

• 36
• X 3
• 3 X 6 18 Carry the one
• 3 X 3 9 and one more is 10

5
1

• 36
• X 3
• 10 8

6
1

• 36
• X 23
• 10 8
• Cross out the 1 after you use it

7
NOW THINKI am multiplying 36 X 20

• 3 6
• X 23
• 108

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1st-THINK I am multiplying by tens so I need a
zero.

• 36
• X 23
• 108
• 0

9

• THINK
• 2 x 6 12
• Write down the 2 and carry the one.

10
1
1

• 36
• X 23
• 10 8
• 20

11

• 2 X 3 6
• Add the one you carried over to make
  7

12

• 36
• X 23
• 10 8
• 72 0

1
13

36 X 23
10 8 72 0
CROSS OUT THE NUMBER AFTER YOU USE IT.
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• SINCE MULTIPLICATION IS A FORM OF ADDITION AND WE
  ARE GROUPING OUR ANSWERS TOGETHERWE WILL ADD THE
  TWO NUMBERS TO GET THE FINAL PRODUCT

15

• 36
• X 23
• 10 8
• 72 0
• 8 2 8