Vocabulary
The top number of a fraction that tells how many parts of a whole are being considered
Numerator
The GCF is used to ____________ fractions when adding, subtracting, and multiplying fractions.
Simplify
Can you add fractions by adding numerators across and then adding denominators across? Explain answer.
No! Denominators need to be the same (use LCM)
6/3 is the ___________ of 3/6.
Reciprocal
How many minutes will the quiz be?
25-30 minutes
a number that is multiplied by another number to get a product.
FACTOR
Let's say the GCF of a numerator and denominator is 3. If you divide the numerator by 3, you need to divide the denominator by ___.
3
(what you do to the top, you must do to the bottom!)
What is the LCM of 5 and 9?
45
The reciprocal of 300/232 =
232/300
How many questions will be on the test?
12 questions
The bottom number of a fraction that tells how many equal parts are in the whole.
DENOMINATOR
The GCF of 15 and 10 is:
15: 1, 3, 5, 15
10: 1, 5, 10
The GCF of 15 and 10 is 5
Add. Write sum in simplest form.
5/14 + 1/6
11/21
When you divide fractions, you have to use the KFC method. This stands for Keep-Flip-Change. You keep the first fraction, flip the second fraction (make it a reciprocal), and then change the sign from division to addition.
Is this statement true or false? Why or why not?
FALSE
When you divide fractions, you have to use the KFC method. This stands for Keep-Flip-Change. You keep the first fraction, flip the second fraction (make it a reciprocal), and then change the sign from division to multiplication.
What do I do when I finish my quiz?
Read a book or complete Brain Teaser SILENTLY!
Greatest Common Factor (GCF)
Multiply. Write the product in simplest form.
3/4 x 7/9
7/12
Subtract. Write difference in simplest form.
5/12 - 3/8
1/24
Divide. Write answer in simplest form.
3/10 divided by 4/5
3/8
When I explain answers, how many FULL sentences should I provide?
3-5 sentences!
The smallest number, other than zero, that is a multiple of two or more given numbers.
Least Common Multiple (LCM)
A class has 18 students. Ms. Summers asks how many students in the class have bikes and finds 5/9 of the students have bikes. How many students have bikes?
10 students have bikes.
Multiply...
5/9 x 18/1
Simplify using GCF
Add. Write sum in simplest form.
2/3 + 6 1/5
6 13/15
Five friends share 1/2 pound of cheddar cheese equally for their grilled cheese sandwiches. How much cheese does each friend receive?
Each friend receives 1/10 pound.
What is the capital of California spelled BACKWARDS?!
(Sacramento)
O-T-N-E-M-A-R-C-A-S