In subtraction you can substitute a zero by keeping the digits lined up
correctly
100
Another word for multiplying is
Product
100
The first rule in division is to look to see
Where the decimals are
100
you never move the decimal
In addition and subtraction
200
the word sum means
Addition
200
Another word for subtraction is
Difference
200
When you see () you know to
Multiply
200
The second rule if there is a decimal outside of the house you move it to the
Right
200
you move the decimal to the right if their is a decimal outside of the house
in division
300
You never move the decimal in
Addition
300
in subtraction
the decimals never move
300
however many numbers are behind the decimal is
how many times you would move the decimal to your final product
300
The third rule is if there was a decimal outside of the house however many times you moved it outside of the house is how many times you would have to move it
Inside of the house
300
you move the decimal to the left however many numbers are behind the decimal
In multiplication
400
You can substitute a zero by keeping the digits lined up
correctly
400
The first rule in subtraction is
to line up the decimals
400
What is 6.95 times 2.2
15.290
400
The fourth rule is if there is not a decimal outside of the house you would
Move the decimal directly up
400
If there is not a decimal outside of the house you just move the decimal directly up