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Fractions and Decimals Ch. 8 Flashcards | StudBud
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Fractions and Decimals Ch. 8
Fractions and Decimals Ch. 8
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5th grade review on fractions and decimals. Concepts from Ch. 8 in McGraw math book.
Flashcards
31 cards
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Questions
31
Answers
1
a fraction is written in simplest form when
the LCM is 1
the GCF is greater than 1
there are prime numbers
the GCF is 1
2
write 9/
20
as a decimal
.45
.4500
.450
.045
3
compare 3/
4 _______
7/
8 must tell the LCM
< 8
< 14
> 12
< 4
4
Find the LCM of 6 and 15
30
6
5
15
5
choose all fractions that are in simplest form
3/6
1/2
1/25
2/2
6
Find the GCF, greatest common factor of 21 and 30
21
3
30
10
7
compare 3
/4
and 2/
6
and give LCD
> 24
> 12
< 12
< 24
8
Find the LCM of 5, 9, and 15
50
15
45
30
9
Find the LCM, Least Common Multiple of 7 and 14
14
98
7
28
10
It is year 2000, the Olympics happens every 4 yrs. the U.S. Census happens every 10yrs. next yr
2004
2014
2020
2010
11
What are equivalent fractions?
Fractions that are the same
Fractions that have a GCF of one
fractions that are written wrong
fractions that are not the same
12
12 pens and 16 pencils will be place in a bag with an equal number of each item. How many bags
2
16
12
4
13
Choose the fraction that is not in simplest form
3/25
9<span style="font-size: 13.3333px;">/21</span>
7/18
12/31
14
Simplify 8/
24
4/6
4/7
8/24
1/3
15
define this definition- a number that names equal parts of a whole or parts of a set.
fraction
simplest form
equivalent fraction
Greatest Common Factor
16
compare 1
/3
and 3
/9,
and tell the LCD
= 9
= 18
< 18
< 9
17
when finding a multiple of a number, what operation do you use?
multiply
subtract
add
divide
18
When dividing the numerator and denominator are divided by the same number, it is the same as
both a and c
making equivalent fractions
dividing by one
making the quotient equal 1
19
Out of 24 games played, John won 10 games. Write as a fraction and then in simplest form.
24/10 12/5
10<span style="font-size: 13.3333px;">/24 5/6</span>
10/24 5/12
24/10 5/6
20
when writing a division equation, the numerator goes where?
inside
outside
on top
on bottom
21
simplify 3/
5
1/5
1
2/5
3/5
22
Write 6÷5
as a fraction
6/5
0.56
5/6
<span style="font-size: 13.3333px;">.56</span>
23
Find the GCF of 12, 30, 72
2
3
6
4
24
Which is not an equivalent fraction for 4/
16
1/4
8/32
2/8
4/8
25
Write 7÷8 as a fraction
.8/7
8/7
7/8
.7/8
26
Write 2/
5
as a decimal
2.5
.820
0.4
5.2
27
Find the GCF of 32 and 24
8
6
3
12
28
Write 3/
75
as a decimal
.25
.40
25
.04
29
In order to compare fractions you must:
find the LCM
all
have the same denominator
find the LCD, least common denominator
30
Write an equivalent fraction for 3/
12
all
6/24
1/4
15/60
31
To write a fraction in simplest form you must
divide by the denominator, then add the numerator
first find the GCF, then divide by the GCF
multiply the numerator and denominator by the same number
divide by one on the top and bottom
