Quick Math Homework Help
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Times Tables Tricks
I have included the times tables for 6,7,8,9,and 10 so that you can check answers.
Multiplication Tables of 6, 7,8, 9, and 10 using your hands
Learning your times tables are key skills in learning Math numeracy. If you are having a difficult time learning your 6,7,8,9, and 10 time tables, or just want to try something different other than rote memorization you may want to check out this method. With practice this technique will feel like you have a calculator in your hands.
Pros: If you don’t want to memorize the times tables this is another option.
It can be a helpful method for filling in portions of the times tables you often forget. For example, I have always had a hard time with the eights, and nines of the times tables. This method is a nice way to help in these weak areas.
Cons: This method is not as fast as having the tables memorized.
The hand method is cumbersome for the number 10. It is easier to just add a zero when multiplying by 10.
The first thing you need to do is to number your fingers as follows, ( see picture above)
Number each hand the same.
Pinkie = 6
Ring Finger = 7
Middle Finger = 8
Index finger = 9
Thumb =10
Now that the fingers are numbered, let's work an example.
Multiply 7 x 8
Touch the two fingers you are multiplying together.
Step. 1 The ring finger on your left hand represents the 7, and touches the middle finger on the right hand which represents the 8. (highlighted in the picture)
Step 2. Count the number of fingers above the touching fingers on your left hand, and multiply this by the numbers above the touching fingers on the right hand.
( see the check marks)
3 x 2 =6
Step 3. For each finger touching, or below the touching fingers you will multiply by 10.
In this example you have five fingers touching ( see the blue x’s)
5 x 10 = 50
Add the numbers from step 2 and step 3
50 +6 =56
Example 2.
Multiply 9 x7
Touch the 9 and 7 fingers
Multiply numbers above (check marks)
1 on left x 3 on the right
1 x 3 =3
Multiply the fingers touching times 10
(see the blue x's)
6 x 10 = 60
Add 3 + 60 = 63
Example 3 of using your hands to multiply.
Multiply 8 x8
Touch the 8 and 8 fingers
Multiply numbers above (check marks)
2 on left x 2 on the right
2 x 2=4
Multiply the fingers touching times 10
(see the blue x's)
6 x 10 = 60
Add 4 + 60 = 64
6*1 =6
6*2=12
6*3=18
6*4=24
6*5=30
6*6=36
6*7=42
6*8=48
6*9=54
6*10 =60
7* 1= 7
7*2=14
7*3=21
7*4=28
7*5=35
7*6=42
7*7=49
7*8=56
7*9=63
7*10=70
8*1=8
8*2= 18
8*3=24
8*4=32
8*5=40
8*6=48
8*7=56
8*8=64
8*9=72
8*10=80
9*1=9
9*2=18
9*3=27
9*4=36
9*5=45
9*6=54
9*7=63
9*8=72
9*9=81
9*10=90
