Lesson 9.1.notebook
February 16, 2016
Lesson 9.1.notebook
February 16, 2016
Lesson 9.1.notebook
February 16, 2016
Goal: I can make and use
a line plot with fractions.
Lesson 9.1.notebook
February 16, 2016
Students have measured different amounts of water into beakers for an experiment. The amount of water in each beaker is listed below.
1 3 1 1 1 cup 1 cup
cup
cup
4
cup
2
4
4 cup
4
4
1 1 1 1 3 cup 3 cup
cup
4
cup
cup
4
2
4 cup
4
4
1 1.) How many beakers have at least 2 cup?
1 2.) How many beakers have more than cup?
4
1 3.) What is the combined weight of the cups?
4
3 4.) What is the combined weight of the cups?
4
Lesson 9.1.notebook
February 16, 2016
You can use the order of operations to find the average. Solve the problem as a series of expressions that use parentheses and brackets to separate them. Perform operations from inside the parentheses to the outer brackets.
1 1 3 [(7 x ) + (2 x ) + (3 x )] 12
2
4
÷
4
Lesson 9.1.notebook
February 16, 2016
Emma divides three 2­ounce bags of rice into smaller bags. The first bag is divided into bags 1 weighing ounce each, the second bag is 6
1 divided into bags weighing ounce each, and 3
1 the third bag is divided into bags weighing 2
ounce each.
1 1 1 Find the number of , , and ounce rice bags. 2
6
3
Then graph the results of the line plot.
1 1.) How many bags are at least of an ounce?
6
1 2.) How many bags are more than of an ounce?
3
1 3.) What is the combined total of ounces?
2
4.) What is the average amount of ounces? Lesson 9.1.notebook
February 16, 2016
Use the data to complete the line plot. Then answer the questions.
Katrina needs to buy beads for a necklace. The beads are sold by mass. She sketches a design to determine what beads are needed, and then writes down their sizes. The sizes are shown below.
2 g
5
2 g
5
4 g
5
2 g
5
1 g
5
1 g
5
4 g
5
1 g
5
2 g
5
3 g
5
3 g
5
2 g
5
3 g
5
What is the combined mass of the beads with a 1 mass of gram?
5
What is the combined mass of all the beads 2 with a mass of gram?
5
What is the combined mass of all the beads on the necklace?
What is the average weight of the beads on the necklace?
Lesson 9.1.notebook
February 16, 2016
For 10 straight days, Kayla measured the amount of food that her cat Dewey ate, recording the results, which are shown below. Graph the results on the line plot. What is the average amount of cat food that Dewey ate daily?
1 c 3 c 5 c 1 c 5 c 1 c 3 c 1 c 1 c 5 c
8
4
8
2
4
8
2
2
8
4
1 Combined amount of cups?
4
1 Combined amount of cups?
2
5 Combined amount of cups?
8
Average?