The multiplication of two numbers with the same number of tens and the number of units equal to ten

Слайд 2

The multiplication of two numbers with the same number of tens

The multiplication of two numbers with the same number of tens

and the number of units equal to ten

example first

Слайд 3

7 1 . 7 9 7 7 1 9 + =

7

1

.

7

9

7

7

1

9

+

=

10

=

7

.

7

(

)

+

1

=

7

.

8

=

56

1

.

9

=

0

9

56

09

=

The multiplication of two numbers with the same number of tens

and the number of units equal to ten
Слайд 4

The multiplication of two numbers with the same number of tens

The multiplication of two numbers with the same number of tens

and the number of units equal to ten

example second