multiplication with carrying

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ENJOY….

IS 28 ?

This makes me wonder…….

What

is

Multiplication ?

Kahle kahle

My answer….

Multiplication = repeated addition

Multiplication… …is a mathematical operation that at its simplest is an

abbreviated process of adding an integer to itself a specified number

of times.

Can you think of any examples to

illustrate

this definition of multiplication ?

If Amy had 3 cats and each one had 4

legs, how could we find how many

legs all the cats had?

TIMES TABLES…

Learners will be provided with times tables in the numeric workbooks

1X table to 12X table

Mostly they will need to memorize these times tables. This may not be

an easy task for them. They love learning multiplication tricks.

WE WILL LOOK AT A FEW EXAMPLES OF THESE.

THEY PROBABLY ALREADY KNOW….

When you multiply any number by zero, the answer

is zero. E.g. (100 X 0 = 0)

Multiply any number by 1, the answer Is that

number. E.g. ( 200 X 1 = 200)

Three times tables is mostly no hard for learners to

remember.

Lets take a look at 5x table trick……

For any even number multiplied by five, half that number then add

a zero next to the answer.

For any odd number multiplied by five, half that number, then drop

the decimal point.

And it feels so good when they(kids) say……

L king at some more tricks for …..

DO YOU HAVE ANY MORE TRICKS THAT YOU WOULD

LIKE TO SHARE?

IMAGINE….IF YOU WERE TO USE OUR ORIGINAL SIMPLE DEFINITION OF

MULTIPLICATION TO SOLVE THE FOLLOWING QUESTION:

234 x 23 = ? SO YOU WILL ADD 234 23 TIMES???

THE PLAN…

MULTIPLICATION WITH CARRYING

I WILL USE EXAMPLES TO SHOW HOW THIS PLAN WORKS:

86 X 62 DIGITS BY 1DIGIT

7 X 74

TWO DIGITS BY TWO DIGITS

76 X 28

THREE DIGITS BY TWO DIGITS

967 X 68

My bag of tricks:Lets take a look inside

Lattice method