Adding Fractions
to add fractions they must have the same ______.
denominator
When subtracting fractions with unlike denominators you must first find the..?
Find the LCD/LCM
When multiplying fractions what do we do to the numerator and denominator?
We multiply the numerators together and multiply the denominators together
What should you be doing after 9:30pm?
sleeping!
What are like fractions?
Fractions that has the same or common denominator.
1/2 + 5/2
6/2 or 3
4/5 -3/5
1/5
8 x 2/3 =
16/3 = 5 1/5
The first day of April is called!
April Fool's Day
What are equivalent fractions?
Fractions that look differently but has the same value. 1/2 and 2/4
When adding fractions with a common denominator, what do you do with the numerators?
add them
When subtracting fractions with a common denominator, what do you do with the numerators?
subtract them
What is the opposite or the inverse operation of multiplication.
What is division?
How many pets does Mrs Eisen own?
one fish
What is the top number in a fraction called?
Numerator
What are some keywords for addition?
Sum, altogether, in all, total, increase, combine, add...
To simplify our answers, we find _________.
The highest common factor (HCF)
9/10 x 1/3
9/30 = 3/10
The product of 20 x 20?
400
The bottom portion of the fraction where that tells how many equal pieces there are total is called
The denominator
When adding fractions with unlike denominators you find the LCD or LCM, then make..?
Equivalent or Like fractions
Fractions can be simplified if the numerator and denominator has the same common ___________?
factors
Will 3/7 x 1 be less than, equal to, or great than a whole?
What is less than a whole?
What hobbies does Mrs. Eisen have? Name 2
crafts and playing games
Before we can add or subtract fractions, we must have a common...
denominator
4/8 + 2/8
6/8 = 3/4
9/12-2/12
7/12
3/2 x 5/3
15/6 = 2 3/6 = 5/2 = 2 1/2
How many minutes is our class?
40 minutes
What is a proper fraction?
A Fraction with a smaller numerator over a larger denominator.
2/10 + 3/10
What is 5/10=1/2
3 1/8 - 1 2/12
1 23/24
7/10 x 10/10
7/10
Mrs. Eisen has how many children? Bonus points if you can name them.
Two - 2 girls; Molly and Ali
What is a mixed number?
A whole number and a fraction.
2/4 + 3/8
7/8
Lee went fishing. They caught a 5/8 pound trout and a 1/8 pound bass. Find the difference between the two fish caught?
4/8 = 1/2
11/3 x 11
121/3 = 40 1/3
What is Mrs. Eisen's favorite number?
7
Think of the term multiples
List the first six multiples for 4
4, 8, 12, 16, 20, 24
2/10 + 5/20
9/20
2/8 - 1/4
0/8 = 0
1/2 x 3
1 1/2
What night of the week does Pesach fall out on? (first seder night)
Wednesday night
What is a fraction?
parts of a whole
3 1/9 + 2 1/9 + 5 1/9
10 3/9 = 10 1/3
13 1/6 - 6 2/3 = ?
5 x 3/4 =
15/4 = 3 3/4
What grades has Mrs. Eisen taught in all her 9 years of teaching?
2,3,4,5
What does the terms ascending and descending means?
Ascending means to increase or go up; least to greatest.
Descending means to decrease, go down, start from something big and go small, greatest to least.