Adding fractions
1/2 + 1/3
5/6
3/5 - 4/10
1/5
Abby is 5 1/2 feet tall. Craig is 5 1/3 feet tall.
1. Who is taller?
2. How much taller?
Abby is taller by 1/6 of a foot.
Mrs. Wilson worked out by walking and running on a park trail. She walked 2/5 of the trail and then ran 1/4 of the trail. How much of the trail had she covered?
13/20 of the trail
1/3 of 27
9
5/6 + 1/3
1 1/6
10/16 - 5/8
0
DOUBLE JEOPARDY
Mark drove 3/4 of a 36 km trip before he stopped to get gas for his car. How many kilometers had Mark driven at that point?
27 kilometers
Mrs. Wilson worked out by walking and running on a park trail. She walked 2/5 of the trail and then ran 1/4 of the trail.
1. Did Mrs. Wilson walk farther or run farther?
2. How much farther?
Mrs. Wilson walked 3/20 of the trail farther than she ran.
1/12 x 60
5
1/6 + 2 1/4
2 5/12
5/6 - 1/3
1/2
Mrs. Choitz walked 7/8 of a mile. Mrs. Kneser walked 2/4 of a mile.
How much farther did Mrs.Choitz walk than Mrs. Kneser?
3/8 mile
Ms. Johnson ran 1/2 a mile down at the high school track and then walked 1/3 of a mile.
How far did David go in all? Choose the best estimate. a. More than a mile
b. More than half a mile, but less than a whole mile
c. Less than half a mile
b. more than half a mile, but less than a whole mile
1 5/6 + ? = 2
1/6
DOUBLE JEOPARDY
3 4/15 + 2 1/3
5 3/5
1 1/5 - 3/10
9/10
Mrs. Choitz walked 7/8 of a mile. Mrs.Kneser walked 2/4 of a mile. How much farther did Mrs. Choitz walk than Mrs. Kneser?
When Mr. Peerenboom solved this problem, he got 5/4 of a mile for his answer. Is this a reasonable answer? Why or why not?
Mr. Peerenboom's answer is not reasonable. Mr. Peerenboom's answer is more than a whole mile, and Mrs. Choitz didn't even walk a whole mile, so she couldn't have walked more than a mile in addition to how much Mrs. Kneser walked.
Ms. Johnson ran 1/2 a mile down at the high school track and then walked 1/3 of a mile. How far did Ms. Johnson go in all?
Ms. Johnson traveled 5/6 of a mile in all
Which is a better buy?
5 cake pops for $6 or 8 cake pops for $10?
5 cake pops for $6 is a better buy
? + 5/8 = 3/4
1/8
3 1/4 - ? = 1
2 1/4
Shawn made a mix of lettuce seeds to plant. The mix has 1/2 cup of green leaf seeds,
2 2/3
cups red leaf seeds, and
1 1/4
cups bronze leaf seeds. How many cups of seeds does Shawn have to plant?
4 5/12
cups
Ms. Johnson ran 1/2 a mile down at the high school track and then walked 1/3 of a mile. How far did Ms. Johnson go in all?
When Mr. Peerenboom solved this problem, he got 2/5 of a mile for his answer. Is this a reasonable answer? Why or why not?
No. Ms. Johnson has to have gone more than 1/2 a mile because just the run alone was that much, but 2/5 is less than 1/2.
Which is a better buy?
4 cake pops for $3 or 8 cake pops for $6?
Both purchases are the same price per can.