Steps
What is the 1st step when solving addition and subtraction problems with unlike denominators?
Build equivalent sets...Deci-Plexi
1/4 + 2/6
7/12
Triple Whipple!!!
3/5 - 1/7 =
16/35
OCTA-UHM?!?
8/9 - 3/10 =
53/90
Quadruple Booful!!!
What state is Mrs. Grady from?
Oklahoma...
What is the 2nd step when adding/subtracting fractions with unlike denominators?
Circle the fractions that share the same denominator...
If you get this correct, your team gets 200 points. If you get this wrong you lose 400 points...
5/6 - 1/4 =
7/12
Double Wouble! Take 400 from every team!!!
2/4 + 3/9 =
5/6
12/20 + 10/15 =
1 4/15
Take all the points of any team!!!
What state is Dr. Caridine from?
Nebraska...Take 400 from any team...
What is the 3rd step when adding and subtracting fractions with unlike denominators?
Add or subtract the numerators. Take 300 points from 2 teams...
2/5 - 1/6 =
7/30
5/10 - 1/3 =
1/6
8/20 - 3/15 =
1/5
What city is Ms. Hayes from?
Memphis...Double Wouble...Take 600 from any team...
What is the 4th step when adding and subtracting fractions with unlike denominators if you end up with an improper fraction?
Change improper fractions to mixed numbers. If you get this wrong you lose 800 points...
3/5 + 1/8 =
29/40
Triple Whipple!!! Take 400 from every team!!!
4/5- 3/8 =
17/40
10/15 + 3/9 =
1
Double Wouble!!! Take 400 from every team!!!
Why did the teacher wear sunglasses while teaching?
It's because his students were so bright!!!!
What is the final step once you have gotten your answer?
See if you can simplify.
20/40 + 30/60 =
1
8/12 + 17/20 =
1 31/60
Mr. Vines' favorite soup flavor...
Cream of Chicken with Rice...If you get this wrong you lose 500 points!!!!