Equivalent Fractions
True or false:
1/9 = 2/18
TRUE
1/9 x 2/2 = 2/18
Compare using <, >, or =
5/7 ___ 5/10
5/7 > 5/10
Write 29/100 as a decimal.
0.29
Compare using <, >, or =
0.2 __ 0.02
0.2 > 0.02
Explain how to get an equivalent fraction for 3/5
Responses may vary. Requires teacher approval.
True or false:
25/30 = 10/15
FALSE
Compare using <, >, or =
4/10 ___ 8/10
4/10 < 8/10
Write 0.1 as a fraction.
Bonus, there is more than one correct answer
1/10 or 10/100
Compare using <, >, or =
0.5 ___ 0.50
0.5 = 0.50
Value does not change.
Mrs. Cetrone's class played soccer against Ms. Dunlap's class. Ms. Dunlap's class scored 7 goals and Mrs. Cetrone's class scored 3.
Write a decimal for the number of goals Ms. Dunlap's class scored.
0.7 of the goals.
Write THREE equivalent fractions for 2/5
Possible answers:
4/10, 8/20, 16/40, 32/80, 20/50, 200/500
Compare using <, >, or =
5/20 ___ 1/4
5/20 = 1/4
a. 3/10
b. 6/10
c. 33/100
d. 24/100
a. 0.3
b. 0.6
c. 0.33
d. 0.24
Compare using <, >, or =
a. 0.43 ___ 0.4
b. 0.55 ___ 0.5
c. 1.26 ___ 1.02
d. 0.8 ___ 0.08
a. 0.43 > 0.4
b. 0.55 > 0.5
c. 1.26 > 1.02
d. 0.8 > 0.08
There are 100 students in the fourth grade. Sixty-four of the students are boys. Write a decimal that shows the number of girls in the fourth grade.
0.36
100 students - 64 boys = 36 girls
Write the following fraction in simplest form:
25/75
25/75 = 1/3
Compare using <, >, or =
6/8 ___ 4/12
6/8 = 18/24
4/12 = 8/24
6/8 > 4/12
Write the decimals as fractions:
a. 0.11
b. 0.2
c. 2.83
d. 9.1
a. 11/100
b. 2/10
c. 2 83/100
d. 9 1/10
Compare using <, >, or =
a. 0.04 __ 0.01
b. 2.03 ___ 2.30
c. 4.4 ___ 4.40
d. 0.8 ___ 0.5
a. 0.04 > 0.01
b. 2.03 < 2.3
c. 4.4 = 4.40
d. 0.8 > 0.5
Explain how to divide to get an equivalent fraction.
Use 30/50 as an example.
You can divide by a factor of both of the numerator and the denominator.
30 and 50 both have a factor 10 so:
30/10 = 3 and 50/10 is 5 so 3/5 is equivalent.
Look at the following fractions:
___, 2/6, 4/12, 8/24, 16/48
What is the first missing fraction from the sequence?
1/3
Explain why 2/5 is is larger than 2/10
The pieces are bigger if they are in fifths. The pieces are smaller when they are in tenths.
2/5 is the same as 4/10. When you compare 4/10 and 2/10, 4/10 (2/5) is bigger.
a. Thirty six hundredths
b. Eight tenths
c. Ninety nine hundredths
d. fourteen tenths*
a. 0.36
b. 0.8
c. 0.99
d. 1.4 --> 14/10 = 1 4/10 or 1.4
Explain why 0.04 is less than 0.4
Responses may vary.
One way to think about it is in terms of money. $0.04 would be four cents. $0.4 or $0.40 would be 40 cents. 4 cents is less than 40 cents.
Pretend you are talking to your first grade buddy and they are learning fractions for the VERY first time.
What key three things would you tell them?
Answers will vary.