Zero times any number is zero. One times any number except zero is that number. To multiply a number by two, double that number. To multiply a number by nine, subtract one from the number and write it as the first digit, then write the number needed to add up to nine as the second digit. To multiply a number by ten, add a zero to that number.

2. …how to make certain numbers
o n t h e M u l t i p l i c a t i o n Ta b l e e a s y
to remember!

3. Zero times (multiplied by) ANYTHING is Zero!
0x0=0 0x8=0
0x1=0 0x9=0
0x2=0 0x10=0
0x3=0 0x11=0
0x4=0 0x12=0
0x5=0
0x6=0
0x7=0

6. One times ANYTHING besides 0 is itself.
1x1=1
1x2=2 1x8=8
1x3=3 1x9=9
1x4=4 1x10=10
1x5=5 1x11=11
1x6=6 1x12=12
1x7=7

9. A number times 2 is double (twice) that number.
2x1=2 2x8=16
2x2=4 2x9=18
2x3=6 2x10=20
2x4=8 2x11=22
2x5=10 2x12=24
2x6=12
2x7=14

12. There are two steps when
multiplying by nines
Step 1:
9x1=0 9x8=7
Subtract one 9x2=1 9x9=8
from the 9x3=2 9x10=9
number you 9x4=3
are 9x5=4
multiplying. 9x6=5
9x7=6

13. There are two steps when
multiplying by nines
Step 2:
9x1=0 9 9x8=7 2
Next to that, 9x2=1 8 9x9=8 1
write the 9x3=2 7 9x10=9 0
number you 9x4=3 6
would need 9x5=4 5
to add up to 9x6=5 4
nine. 9x7=6 3

17. To multiply by ten, add a zero to that number.
10x1=10 10x8=80
10x2=20 10x9=90
10x3=30 10x10=100
10x4=40 10x11=110
10x5=50 10x12=120
10x6=60
10x7=70