5.NF.A.2
+ and - Fractions
+ and - Fractions
5.NF.A.1
LCM/LCD and
Equivalent Fractions
LCM/LCD and
Equivalent Fractions
5.NF.B.4a&b &5a
Multiplying Fractions
Multiplying Fractions
5.MD.C.3a/b
& 5a,b&c
Volume
& 5a,b&c
Volume
5.NF.A.2
Estimating
Fractions
Estimating
Fractions
100
Solve for x
1/4 inch
100
What is the least common denominator for
1/5 and 3/4?
20
100
There are 24 stanzas in a song for the school play. Samantha has memorized 3/4 of them so far. How many stanzas has she memorized?
24/1 x 3/4 = 18
100
3 x 4 x 4 = 48
100
Which is the best estimate for
2/5 + 1/7 ?
1/2 + 0 = 1/2 0 + 1 = 1
1/2 + 1/2 = 1 1 + 1 = 2
1/2 + 0 = 1/2
(actual answer is 19/35 which is close to half)
200
What expression does the model below show?
3 2/3 - 2
200
What is the least common multiple of 8 and 12?
24
200
Find the area of the rectangle.
Simplify your answer.
2/3 x 1/4 = 2/12
simplified: 1/6
200
How many unit cubes would you need to make a model of a rectangular prism that is 6 units long, 2 units wide, and 5 units high?
6 x 2 x 5 = 60
200
What is the best estimate for 1/8 + 2 7/8?
1/2 + 2 = 2 1/2 * 0 + 2 1/2 = 2 /12
0 + 3 = 3 * 1/2 + 3 = 3 1/2
0 + 3 = 3
300
What is the sum for the expression below?
2 3/4 + 1 1/4 + 3 1/2
6 1/3 * 6 1/2 * 6 6/4 * 7 1/2
7 1/2
300
Gia walked 1/4 mile from her house to the park, then 3/8 mile around the park, and then 1/4 mile back home. How many miles did she walk in all?
7/8 mile
300
If a dog eats 1/4 pound of food each day, how many days will it take the dog to eat a 5-pound bag of food?
5 lbs divided by 1/4 each day = # of days
so 5 divided by 1/4 = 5/1 x 4/1 (Keep, change, flip)
5x4=20 days
300
4 x 7 x 8 = 224 cubic yards
300
If Kay has 3/4 of $4 and Jackie has 5/6 of $3,
who has more?
3/4 x 4/1 = $3
5/6 x 3/1 = 5/2 or 2 1/2 or $2.50
Kay has $.50 more.
400
Which statement about the sum is NOT correct?
7 3/8 + 5 2/3=n
The sum is greater than 12. * The sum is less than 14. * The sum is about 13. * The sum is 13 5/24.
13 5/24 is not correct.
7 3/8 = 7 9/24 5 2/3 = 5 16/24
7 9/24 + 5 16/24 = 13 1/24
400
Terry needed 5/6 cup of milk for his cereal and 2/3 cup of milk for his kittens. How much milk will he need in all? (answer in simplest form)
5/6 + 2/3 = 5/6 + 4/6 = 9/6
9/6 = 1 and 3/6
3/6 = 1/2
answer: 1 1/2
400
Nico has 72 stamps. 5/8 of them are animal stamps. How many of Nico's stamps are animal stamps?
72/1 x 5/8 = 45
Did you cross eliminate?
400
What is the volume of a rectangular prism with a base area of 200 square inches and a height of 10 inches?
2,000 cubic inches
Remember: the base is the length and width already multiplied for you.
400
Which improper fraction represents 3 3/4?
2/4 * 6/4 * 9/4 * 15/4
4 x 3 + 3 = 15/4
500
Alex skateboarded 2 1/3 miles. Carla skateboarded 4 1/5 miles. How much farther did Carla board than Alex?
1 13/15 miles.
500
Nicola and his sister hiked along the Lakeshore Trail and the McKinnon Trail. The Lakeshore Trail is 1/4 mile long and the McKinnon Trail is 9/16 mile long. How far did they walk along the trails?
13/16 mile
500
Each bag of potatoes weighs 5 3/4 pounds. How many pounds would 2 1/2 bags of potatoes weigh?
3 1/4 lb * 8 1/4 lb * 10 3/8 lb * 14 3/8 lb
4 x 5 + 3 = 23/4
2 x 2 + 1 = 5/2
23/4 X 5/2 = 115/8
115/8 = 14 3/8
500
What is the volume of the irregular solid below?
2 x 8 x 5 = 80
1 x 8 x 7 = 56
80 + 56 = 136 cubic feet
500
What is the best estimate of the sum in the problem below?
12 8/25 + 14 5/9
22 * 27 * 30 * 35
About 12 1/4 + 14 1/2 =
26 3/4 or 27