Decimal Addition & Subtraction
When you add decimals, do they always line up?
Why?
Yes
Because then you would get the wrong sum
What is the answer to a division problem?
Quotient
What does the "E" stands for in Gemdas
Exponets
What is 11x 6?
66
How old is math?
Over 20,000 years
Solve this:
7.39-2.12
5.27
When you divide, what is your first step?
Bring you decimal up
The operation that always comes first in the "Addition and Subtraction" part of Gemdas
Trick question!
Which ever one comes first in the equation.
What is the first step of the Turtle Head?
Making the Turtle Head!
What was the first unit we had in math?
Decimal Place Value
What is the answer to an addition problem?
Sum
You use the Turtle Head method when?
2 by 2 multiplication
What operation do you solve first in this equation.
7x3+(9-7)-3
(9-7)
covert this decimal into a fraction:
1.45
When we learn math, do we
A. Jump right in and take a test
B. Do some review
C. Learn about it for a few minutes then take a quiz
D. Learn it for many years
B
What is the answer to a decimal subtraction problem?
The answer is still difference. It does not matter if it is a decimal problem, it will always be difference.
When multiplying decimals, do you line them up?
Why?
Yes.
If you don't line up your decimals, then you will get the wrong product.
How you write Gemdas on a piece of paper
G
E
MD
AS
When doing whole number division, why do you put the bigger number inside the house?
Because if you put the smaller number, it would equal a negative number.
What time is math class?
10:20 to 11:45
What do you do with the decimal point when you add and subtract decimals.
You bring it down
When you multiply decimals, do you always put the bigger number on top?
Why?
No
The number that has the most digits is the one that you put on top.
Given 2 or more operations in a single question
What is my number?
It has a 9 in the tenths place
It is odd
In the ones place, it is the number between 1 and 3
And in the hundredths place is the product of 3 and 3
2.99
How long has Mrs. Whitten been teaching?
3 years