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
Addition of repeated numbers 4+4+4+4+4+4= 24 8 12 16 20
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
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
How many apples? Can you use multiplication? 1+2+2+3=8 2+2+2+2=8 4 X 2=8
3 4s 3×4 4 3s 4×3 4×3= 3×4
7×3 =3×7 3+3+3+3+3+3+3 =7+7+7 =21
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
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? 5×4 4×5