Transcript Fractions Test Review

FRACTIONS TEST
REVIEW
by Mr. Johnk
ORDER FROM GREATEST
TO LEAST
 Question 1
Put the following fractions in order
from greatest to least :
1

2
,
5
6
,
3
4
,
2
3
QUESTION 1 ANSWER
From greatest to least:
5 3 2 1
 , , ,
6 4 3 2
10 9 8 6
 , , ,
12 12 12 12
ORDER FROM LEAST
TO GREATEST
 Question 2
Put the following fractions in
order from least to greatest:

1
1
2
,
2
1
3
,
3
1
4
,
4
3
QUESTION 2 ANSWER
From least to greatest:
4
1
2
3
 ,1 ,1 ,1
3
2
3
4
1
1
2
3
1 , 1 , 1 , 1
3
2
3
4
4
6
8
1 , 1 , 1 ,
12
12
12
9
1
12
 Question 3
 A cookie jar holds 40 cookies and it is
eat
1
4
3
5
full. I take out and
of those cookies. How many cookies are left in the jar?
QUESTION 3 ANSWER
There are 18 cookies left in the jar.
40 x
24 x
3
5
1
4
= 24 cookies in jar
= 6 that I ate
24-6 = 18 remain in the jar
 Question 4
What happens to the product of a
number and a proper fraction?
 A. The product gets bigger than the number.
 B. The product gets smaller than the number.
 C. The product stays the same.
QUESTION 4 ANSWER
B. The product gets smaller than the
number.
1
2
2 x = 1 which is smaller than 2, the
number I started with.
1

4
1
3
1
=
12
×
The product is smaller than the
number I started with.
 Question 5
What happens to the product of a
number and a mixed number?
A. The product is bigger than the number.
B. The product gets smaller than the number.
C. The product stays the same.
QUESTION 5 ANSWER
A. The product is bigger than the
number.
2
1
3
2
1
3
1 ×
=
The product is bigger than
1, the number I started with.
Mixed numbers are greater than one, so
your answer will get bigger.
 Question 6
 If I buy a 40 pound bag of bird seed and my bird feeders hold
1
1 pounds on average each day, how many days until I need to
4
go buy more bird seed?
QUESTION 6 ANSWER
32 days
40 ÷
1
1
4
= 40 ÷
5
4
= 40 ×
4
5
= 32
 Question 7
True or False?
6 ÷
2
3
=6×
3
2
QUESTION 7 ANSWER
True!
Dividing by a fraction and
multiplying by the reciprocal give
you equivalent amounts!
 Question 8
True or False?
 7÷3=
7
3
=7 3
QUESTION 8 ANSWER
False!
7÷ 3 =
 7÷ 3 =
7
3
7
3
but
7
3
=37
≠7 3
 Question 9
1
16
4
If I have a square painting that is
inches on a side and I want to put a
wooden frame around it, how many
inches of wooden frame will I need to
buy?
QUESTION 9 ANSWER
1
16
4
65
4
4
1
x4=
× = 65 inches
or 5 feet 5 inches of wood.
WHAT OTHER QUESTIONS ARE THERE?
 What else do we need to go over?