Fraction Vocab
What is the numerator?
The top number of a fraction
What is a denominator
The bottom number of a fraction
Put 1 under the whole number
What is an integer?
A whole number, positive, negative, and 0
Which of the following are integers?
A) 3.4 B)-7 C) 1/2 D)-0.5
B
What is an Improper Fraction?
Improper Fractions are when the numerators are bigger than the denominators.
What is the number 1 rules we have to check for before we can add or subtract fractions?
Are the denominators the same?
Do I need to make sure the denominators are the same when I multiply?
Nope
Add and keep the sign
When multiplying positive integers, the answer will be? (positive or negative?)
Positive
What are Mixed Numbers?
Mixed Numbers are when you have whole numbers and fractions together.
If the denominators are the same, can I add the top and bottom of the fraction?
NO. Only add the Numerators
Do I simplify fractions if I am multiplying and dividing?
Yes
When I have 2 negative integers what do I do?
Add and keep the sign
When multiplying 2 negative integers, the answer will always be what? (Positive, negative?)
Positive
What does the numerator tell us in a fraction?
It counts the parts. (It tells how many pieces are eaten, taken, sold, missing, etc.)
After adding or subtracting fractions, what do we need to check? (Rule #3 we talked about this week)
When I am multiplying fractions do I multiply both the numerator and the denominator?
Yes
What do I do if I have a negative and positive integer what do I do?
Subtract and keep the sign of the bigger absolute value
When multiplying 1 negative integer and 1 positive integer, what will the answer be? (Positive, negative?)
Negative
It tells us the total amount or the equal parts that make up the whole.
Find the Least Common Denominator
What does Keep, Change, Flip mean?
Keep the first fraction
Change the sign from division to multiplication
Flip the second fraction
Solve this: -22 + 16 =
-6
Do multiplying and dividing integers follow the same rules?
Yes, correct