Addition/Subtraction
3/5+8/20
20/20 or 1
What is the difference between adding and subtracting fractions than multiplying or dividing fractions?
In addition and subtraction, you need to have common denominators.
There was half a pie left. I ate half of the remaining pie. How much did I eat?
1/4
1,000,000/2,000,000
1/2
Explain how fractions, decimals and percentages are related.
Explanation
Name any whole number as a fraction.
Ex. 3/3
Using the fraction overlays, create a problem for your classmates to solve.
Answers will vary.
5/20 divided by 1/4
20/20 or 1
Create your own equivalent fraction.
1/3 = 33/99
Find the percentage and decimal for 8/20
40% and 0.4
15/10+6/20 = 36/20 or 1 16/20 or 1 4/5
Draw on your paper 1/3 x 4/5?
Shaded area is 4/15
My son works at a pizza parlor. He and his work friends get to eat all of the mistake pizzas. If there are 4 mistake pizzas and eight total people, how much pizza does each person get?
4 divided by 8 = 1/2
Using your fraction kit, build all of the equivalent fractions for a half unit.
halves
quarters
sixths
eighths
tenths and twelfths
Christmas candy is on sale the day after Christmas for 75% off. If a bag of candy originally costs $8, what is the sale price?
$2
89/100-35/50 =
19/100
One and two-thirds multiplied by two and two-thirds
40/9 or 4 and 4/9
Finish this catchy phrase - do your ears hang low? Do they wobble to and fro? . . .
Can you tie them in a knot? Can you tie them in a bow?
What do you call a cow without legs?
Ground Beef
Ms. Erhardt is half what?
a) Mexican
b) German
c) British
d) Unicorn
a)
What is the bottom number of a fraction called?
Demoniator
0
What is the trick Ms. Erhardt taught you when dividing decimals? For fifty extra points, explain what this means.
Keep, change, flip
Give three examples of an equivalent fraction for 6/8?
3/4; 9/12; 12/16
33% is the equivalent to what fraction? What is the decimal?
1/3 and 0.33