Fractions
If I am adding two fractions, with different bottom halves (also called different denominators), do I need to change the bottom fractions to have the same number?
Example 4/9 + 4/18
Yes! When adding or subtracting fractions, they must always have the same bottom half.
What is a simile?
Can you give an example?
Comparison between two different things, places, or people, using the words "like" or "as."
Example: Alison was as fast as a racehorse.
The lamp was like the sun in comparison to how dark the room was.
.051
What numeral is in the tenths place? What number is in the hundredths place? What number is in the thousandths place?
tenths: 0
hundredths: 5
thousandths: 1
22 = 2x2 = 4
What do the letters of PEMDAS stand for?
P
E
M
D
A
S
Parentheses
Exponents
Multiplication
Division
Addition
Subtraction
If I multiply two fractions together, with different bottom halves (also called different denominators), do I need to change the bottom fractions to have the same number?
Ex: 2/3 x 2/4
No, when multiplying or dividing fractions, they do not need to have the same bottom half.
What is alliteration?
Can you give an example?
A series of words that all start with the same consonant sound.
Ex: She sells seashells by the seashore.
Which number is bigger:
.4
or
.04
.4
Tenths is bigger than hundredths!
Is 64 a perfect square?
Yes
4 + 32 / 2
What step do I do first?
32
How do I simplify a fraction?
Ex: 2/4 simplifies to...
I divide both the top and bottom half by a common factor.
Ex: Both 2 and 4 are even, so I can divide both by two. 2 divided by 2 is 1 and 4 divided by 2 is 2.
Therefore, the answer to the example is 1/2.
What is a metaphor?
Can you give an example?
A metaphor is a comparison between two things that isn't literally possible.
Alison was so fast she was a racehorse.
The lamp was the sun compared to the darkness of the night.
What is 1.5 x 3?
4.5
What is 92?
81
(10+2)/6
What do I do first?
You add what's in the parentheses first.
2/4 x 1/3
Remember to simplify!
2/12 --> 1/6
My parents think my little brother is an angel.
Is this a simile, a metaphor, or alliteration.
It's a metaphor! It compares two things (the little brother and an angel) which aren't literally true without the linking words "as" or "like."
What is 2.5 x 0.2?
0.5
Is 27 a perfect square?
No
3 + 2(5-3) =?
What is my first step in this equation and what is the answer?
Your first step is to do what is in the parentheses: (5-3). That simplifies to 2.
Now you have an equation that looks like:
3 + 2(2).
Remember! When a number is right next to the parentheses, that means you multiply that number by what's in the parentheses. So, 2(2) is 2x2.
3 + 4 = 7
What is 2 1/2 x 1/4 (2 and one half times one fourth)?
2 1/2 x 1/4 =
Turn the mixed number into an improper fraction
5/2 x 1/4 = 5x1/2x4
Answer: 5/8
Kevin calls Claire cool.
Is this a simile, a metaphor, or alliteration?
It's alliteration--all the words start with the same consonant sound, even if not the same letter.
What is 1.2 x .06?
.072
What is 34?
81
If I am solving an equation, and all that is left is multiplication and division, how do I know which one to do first?
Ex: 4x3/2 (4 times 3 divided by 2)
You go from left to right!
So you would do 4x3 first
4x3 = 12
12/2 = 6