Multiplying a whole number and a fraction
Ms. Moitoso baked 3 pans of cornbread. Each pan used 2/5 of a cup of sugar. How many cups of sugar did she use in total?
1 1/5 cups
A garden covers 2/3 of a yard. Of the garden area, 1/2 is planted with flowers. What fraction of the entire yard is planted with flowers?
1/3 of the yard is planted with flowers
Ms. Moitoso buys 2 1/2 pounds of chocolate for each cake she bakes. If she bakes 4 cakes, how many pounds of chocolate does she need in total?
10 pounds of chocolate
Jake has a rope that is 4 feet long. Rachel has a rope that is 3/4 as long as Jakes rope. Without doing the multiplication will Rachels rope be longer, shorter, or the same length as Jakes rope?
Shorter because 3/4 is less than one.
A gardener waters 3 1/2 acres of land each week. This week, she only waters 4/5 of that area. How many acres does she water this week?
2 4/5 acres
Chase baked 3 pans of brownies. Each pan used 5/6 cup of sugar. How many cups of sugar did Chase use in all?
2 1/2 cups
A recipe calls for 7/9 of a bag of flour. Of that amount, 5/8 is whole-wheat flour. What fraction of the entire bag of flour is whole-wheat?
35/72 of the bag of flour is whole-wheat
Each art project uses 2 1/2 sheets of paper. If the class completes 7 projects, how many sheets of paper do they need?
17 1/2 sheets of paper
Sofia has a ribbon that is 6 feet long. Arianna has a ribbon that is 3/3 as long as Sofia's ribbon. Without doing the multiplication, will Arianna’s ribbon be longer, shorter, or the same length as Sofia’s ribbon?
The same length because 3/3 is equal to 1.
A painter can cover 5 1/3 walls in a day. Today, he decides to paint only 3/4 of that amount. How many walls does he paint today?
4 walls
Each student in Ms. Moitoso’s class drinks 3/4 of a bottle of water during recess. If 6 students drink the same amount, how much water is drunk in total?
4 1/2 bottles of water
A farmer plants 9/10 of his field with crops. Of the land that is planted, 4/7 is used for corn. What fraction of the entire field is planted with corn?
18/35 of the field is planted with corn
Isabella bakes muffins. Each batch uses 3 1/4 cups of flour. She bakes 6 batches. How many cups of flour does she use in total?
19 1/2 cups of flower
Masen has a textbook that is 10 inches thick. Elijah’s textbook is 5 1/8 as thick as Masen’s textbook. Without doing the multiplication, will Elijah’s textbook be thicker, thinner, or the same thickness as Masen’s?
Thicker because 5 1/8 is greater than 1.
A car travels 3 1/2 miles per minute. Today, it only drives 2/3 of that distance per minute. How many miles does it travel per minute?
2 1/3 miles
A swimmer completes 9 laps in practice. Each lap is 7/12 of a mile. How many miles does the swimmer swim in total?
5 1/4 miles
Ms. Moitoso is planning a school field day.
She sets up 5/6 of the field for activities. Of that area, 3/4 is used for game stations. What fraction of the entire field is used for game stations?
5/8 of the field is used for game stations.
Nolan is making fruit punch. Each pitcher holds 2 1/2 liters of juice. He wants to make 3 1/3 pitchers. How many liters of juice does he need in total?
8 1/3 liters of juice
Annalyn runs 8 miles every week. Naomi runs 1 7/10 as far as Annalyn each week. Without calculating the exact distance, will Naomi run more, less, or the same distance as Annalyn?
More because 1 7/10 is greater then 1.
A recipe uses 1 3/4 cups of sugar. You decide to make 2/5 of the recipe.
How much sugar do you use?
7/10 cups of sugar
Each science project uses 11/10 meters of string.
If 6 projects are completed, how many meters of string are used in total?
6 3/5 meters
During a weekend hike, Ms. Moitoso walks 7/8 of the total trail. Of the part she walks, 5/6 is uphill. What fraction of the entire trail is uphill walking?
35/48 of the trail is uphill
Lucy completes 1 2/5 miles per lap. She runs 3 3/4 laps. How many miles does she run in total?
5 1/4 miles
Adam drinks 12 cups of water each week. Enson drinks 5/5 as much as Adam. Without doing the multiplication, will Enson drink more, less, or the same amount of water as Adam?
The same amount because 5/5 is equal to 1.
A tailor uses 6 1/3 yards of fabric to make a coat. He only uses 5/8 of that amount for a smaller coat. How many yards does he use?
3 23/24 yards