Notice that
the difference between the red number
and the tens digit
is
1 for all the 2 facts.
The tens digits are all ONE.
// end of ninthPageA
Is this a 9 fact?
Is this a 2 fact?
//end tenthPageA
Get used to asking yourself these
questions in this order.
Is it 4x4 5x5 6x6 7x7 ?
Is this a 9 fact?
Is this a 2 facts?
You will soon understand why.
//end eleventhPageA
See the pattern!
The white digits are "Subtract ONE"
The tens digits for facts with 9
1 2 3 4 5 6 7 8
The tens digits for facts with 8
1 2 3 4 4 5 6 7
The tens digits for facts with 7
1 2 2 3 4 4 5 6
//thirteenthPageA
Remember!
First look for problems with 9.
Then look for problems with 2.
Finally look for problems with
8 times a number UNDER 6.
//end of fifteenthPagea
Remember!
If there is no 3 or 8
in the problem
you can click NO!
//end of fifteenthPagea
THINK ABOUT THIS!
Except for facts with 2
All 'Subtract ONE facts must have
7 or 8 or 9
//end of sixteenthPageA
Ask these questions in this order
for
each problem?
Is is a 4x4 5x5 6x6 7x7 fact?
Is it a 9 fact?
Is it a 'low' 8 fact, one of the 1234-Eights?
Is it a 'high' 3 fact like 3x7, 3x8 and 3x9?
//end of eighteenthPageA
Good Luck !
Notice that if
ONE
of the numbers is even
then the answer has to be even.
//used as a blank for several pages
Don't rush and stay calm!!
Run through your questions:
One of the 4x4 to 7x7 group?
9?
2?
3 or 8 where one number is above 6
and the other below 6?
Can I swap a little number for a big number?
Have I used two swaps?
The little red numbers are the partners. Multiply them and you get the
little blue number. The little blue number and the correct ones digit are
the same!