Fraction Operations
find 6/18 + 8/18 - 3/18
11/18
Use >, <, or = to compare the following:
2/3 ____ 3/4
<
3/4 is closer to 1 (only 1/4 away instead of 1/3 away!)
true or false:
5/6 = 10/18
Christian ran 4/7 miles on Monday and 1 and 6/7 miles on Tuesday. How many miles did Christian run on both days?
4/7 + 1 6/7 = 1 10/7 = 2 3/7 miles on both days!
Find 3/5 + 7/10
3/5 = 6/10
7/10 + 6/10 = 13/10 = 1 3/10
Use >, <, or = to compare the following:
2/6 ______ 5/12
<
2/6 = 4/12, which is less than 5/12
2/3, 4/3, ........
Whole numbers: 6/3 = 2, 12/3 = 4, 18/3 = 6
Angelo spent 3/4 hour reading on Friday and 1 and 2/4 hours reading on Saturday. How much more time did he read on Saturday than on Friday?
1 2/4 - 3/4 = 3/4 hours more time on Saturday than on Sunday
Partition and show your hops/arches on a number line to show 10 X 1/2, and circle the answer!
see whiteboard
Compare the following with <, >, or =:
2 1/4 ______ 18/8
=
Simplify the fraction 15/20
Shayla’s stack of books is 5 4/5 inches tall. Aubree’s stack is 4 times as tall. How tall are their stacks when placed on top of each other?
5 4/5 X 4 = 20 16/5
20 16/5 + 5 4/5 = 25 20/5 = 25 + 4 = 29 inches tall.
Shayla and Aubree's stacks together are 29 inches tall.
draw 2 X (4 and 2/3) as a tape diagram. Then solve!
see board. Answer: 8 + 4/3 = 9 1/3
You must find the common denominator of the two fractions below to compare them:
13/5 ______ 11/4
13/5 = 52/20
11/4 = 55/20
13/5 < 11/4
name at least 5 fractions that are equivalent to 3/9
1/3, 6/18, 2/6, 9/27, 5/15, 7/21, ...
Mr. Bair used 3 and 6/7 gallons of gas driving to work this week. Ms. Player used 3 times as much gas as Mr. Bair. How many more gallons of gas did Ms. Player use up than Mr. Bair?
Ms. Player: 3 6/7 X 3 = 9 18/7 = 9 + 2 2/7 = 11 4/7 gallons
11 4/7 - 3 6/7 = 8 4/7 - 6/7 = 7 and 5/7 gallons more!
Ms. Player used 7 and 5/7 more gallons than Mr. Bair this week.