2 Digit by 2 Digit Multiplication

36 X 23

THINK: 36 X 3 FIRST

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

1 36 X 3 10 8

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

NOW THINK: “I am multiplying 36 X 20” 3 6 X 23 108

1st-THINK: “I am multiplying by tens so I need a zero.” 36 X 23 108

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

1 1 36 X 23 10 8 20

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

36 X 23 10 8 72 0 1 1

1 CROSS OUT THE NUMBER AFTER YOU USE IT. 36 X 23 10 8 72 0

SINCE MULTIPLICATION IS A FORM OF ADDITION AND WE ARE GROUPING OUR ANSWERS TOGETHER WE WILL ADD THE TWO NUMBERS TO GET THE FINAL PRODUCT

36 X 23 10 8 + 72 0 8 2 8