1. Addition of repeated numbers From addition to multiplication Times
(EX:count 5 4 times)
Exchange
Multiplication of 4
Multiplication of 2
Multiplication of 5
Multiplication of 10
Multiplication and division of
7,3,6,9…
Multiplication of 8
Division

2. Addition of repeated numbers= 24 8 12 16 20

3. 3 3 3 3 3 3 18 6 3s 18 6 3 18 ( )+( )+( )+( )+( )+（ ）=( )
( )+( )+( )+( )+( )+（ ）=( ) 3 3 3 3 3 3 18 6 3s
（ ）（ ）equals ( ) 18
（ ）×（ ）=( ) 6 3 18

4. 3 3 3 3 3 3 18 3 18 6 ( )+( )+( )+( )+( )+（ ）=( ) （ ）×（ ）=( ) factor
( )+( )+( )+( )+( )+（ ）=( ) 3 3 3 3 3 3 18 3 18
（ ）×（ ）=( ) 6
factor
factor
product
Sign of multiplication

5. How many apples? Can you use multiplication?=8 =8
4 X 2=8

6. 3 4s
3×4
4 3s
4×3
4×3=
3×4

7. 7×3
=3×7
=7+7+7
=21

8. I can’t find 3 6s from this picture.
How many people in all?
I can’t find 3 6s from this picture.
2 steps
6×3
3×6
exchange
6 3s
Count 3 6 times
1 step

9. There are 5 cars, and each car has 4 wheels
There are 5 cars, and each car has 4 wheels. How many wheels are there in all?
5× ×5