What is the rule for adding fractions?
Denominators must be the same
What are the rules for subtracting fractions?
The denominators must be the same and the largest number must be first.
What is the rule for multiplying fractions?
Numerator x Numerator
Denomnator x Denominator
What is the formula for finding volume?
Length x Width x Height
What should you remember for problems with more than 1 operation?
P()_
E
M X or D / left to right
A + or S - left to right
What is the rule for adding decimals?
Line up the decimals
What are the rules for subtracting decimals?
The decimals must be lined up and the largest number must be first.
What is the rule for multiplying decimals?
Underline the numbers after the decimals and after you get the product move the decimal to the left the same amount of spaces as the underlines you have.
What is the formula for finding area?
Length x Width
What should you remember for converting metric measures?
King Henry Doesn't Usually drink chocolate milk
Large to small multiply
Small to large divide
Find the sum of 3/7 + 2/5.
29/35
Find the difference between 12/15 and 3/9 in lowest terms or simplest form.
21/45 but simplest form = 7/15
69 x 97
6,693
How do you find the perimeter?
Add up all the sides
What does estimation mean?
About close to or round
Find the total of 109.95 and 9.23
119.18
How much more is 37/5 than 2 1/8
211/40 or 5 11/40
Find the product of:
897 and 87
78,039
What is associative property?
The groups switch places.
What is commutative property?
Numbers switch places
Find the solution to:
1/2 (2.35 + 1.45)
1.9 or 1 9/10
Find the solution to:
1/4 (3.87 - 2.59)
8/25 or .32
I bought 7 packs of paper and a Notebook. Each pack costs $2.93. I paid with a $50. and got $20 back in change. How much was the notebooks.
$9.49
What will you see in distributive property?
multiplication addition and parenthesis
x + ( )
What is the rule for dividing fractions?
Stay Change Flip then multiply top x top and bottom x bottom