|
HOW TO LEARN
TO MULTIPLY A NUMBER BY:
2......................DOUBLE THE NUMBER
4......................DOUBLE THE NUMBER...TWICE
5.....................ADD A ZERO, THEN DIVIDE BY TWO
8...................DOUBLE IT , THREE TIMES
9................ADD A ZERO, THEN SUBTRACT THE ORIGINAL NUMBER
10................ADD A ZERO
11...........WRITE THE NUMBER BENEATH ITSELF. THEN MOVE IT ONE COLUMN TO THE LEFT , THEN ADD THE TWO NUMBERS
20..................DOUBLE THE NUMBER, ADD A ZERO 25...............ADD TWO ZERO'S, THEN DIVIDE BY FOUR
|
|
|
MATHEMATICS OPERATIONS PLEASE EXCUSE MY DEAR AUNT SALLY PARENTHESIS EXPONENTS MULTIPLICATION DIVISION ADDITION SUBTRACTION |
|
|
back
|