• rubus
     
    3RD Graders
     
    Strategies for Memorizing Multiplication Tables
     
    2s - Skip counting by 2s or doubles
           Example:  7 + 7 = 14
    3s - Skip counting by 3s or doubles plus one more
         Examples:  7 + 7 = 14 + 7 = 21
    4s - 2s twice
         Examples:  2 x 7 = 14 so 14 + 14 = 28
    5s - Skip counting by 5
    6s - Fives + 1 ( 7 x 6? try 7 x 5 = 35 + 7 = 42
    7s - memorization
    8s - memorization
    9s - 9 x 8 = 72
               -1  subtract 1 from the number you are multiplying
                7 + 2 = 9 then add how many you need to make 9....
               put those two numbers together and that's the answer...72
           9 x 6 = 54
               -1  subtract 1 from the number...5....and add 4.....54
    Or the hand trick...9 x 4 ....spread hands...put down fourth finger
         count how many fingers before.. 3.. and how many after.. 6...36
     
    FACT FAMILIES....4 x 7 = 28 so 7 x 4 = 28
        when you know one...you know both!!!
     
    THE NUMBER ONE WAY TO REMEMBER MULTIPLICATION TABLES IS TO USE THEM!
    PRACTICE them while riding your bike, PRACTICE them on the boat, PRACTICE them during breakfast, PRACTICE them climbing the hill.....PRACTICE!