Bar Models
George has 40 cupcakes. Four-fifths of them were thrown away and the rest were eaten. How many cupcakes were eaten?
8 cupcakes were eaten.
one half of 24
12
If I have to find three-fourths of 48, will the answer be more than or less than 48?
less than
In a class of 25 students, 15 are boys. What fraction of the class are boys?
three-fifths are boys
Cristian has 55 Lego sets. Two-fifths of them are not built. How many Lego sets were built?
33 were built
two-sixths of 36
12
If a word problem asks how many eggs are broken, will the answer be a fraction or a whole number?
whole number
In a class of 25 students, 15 are boys. What fraction of the class are girls?
two-fifths are girls
Peppa Pig has 72 ignored calls. She answered seven-eighths of them. How many calls did she not answer?
Peppa did not answer 9 calls.
three-fourths of 20
15
Can you get an improper fraction as an answer when solving for a fraction of a set?
(eg. 20 boys are in the class. One fourth of them have black hair. How many do not have black hair?)
No, you should get a whole number
There are 100 video games in a store. 60 of them are rated "E for Everyone." What fraction of the games are rated E? (simplify your answer)
three-fifths
Hope had 12 cakes. Sadie ate three-fourths of them. How many cakes did Hope have left?
Hope had 3 cakes left.
three-fifths of 100
60
How does an answer sentence help you find the correct answer?
It forces you to see if the answer you came up with makes sense, and makes sure you are answering the right question.
There are 100 video games in a store. 60 of them are rated "E for Everyone." What fraction of the games are not rated E? (simplify your answer)
two-fifths
Sunny bought 60 robux. She used three-tenths of them. How many robux did she have left?
She had 42 robux left.
ten-tenths of 80
80
When should you get a fraction as an answer for a word problem in this unit?
When the question asks "what fraction..."
(eg- What fraction of the class are girls?)
In a bucket of 80 Legos, 20 of them are yellow. What fraction of the Legos are not yellow?
three-fourths are not yellow