Area/surface of rectangle and triangle
Use a net to find the surface area of the cube.
See slide #1 dor shape.
26.31 cm2?
A box of cereal has 48 calories in 33 servings. How many calories are there per serving?
16.
A 25-pound bag of dog food costs $18.50. A 35-pound bag of the same dog food costs $26.60. Which bag of dog food is the better buy?
25 pound
1 2/5
7/5
5/11 divided by 2/7
1 13/22
Use a net to find the surface area of the rectangular prism.
See slide #2 for shape.
177.5 cm2?
Makesha lost 16.516.5 pounds in 66 weeks. Find her rate of loss in pounds per week.
2.75
You want to buy some noodles. A 9-ounce package costs $3.24. A 15-ounce package costs $5.25. A 2o-ounce package costs $7.60. Which package is the better buy?
15 ounce
3 5/8
29/8
10/13 divided by 11/39
2 8/11
You want to wrap a gift shaped like the regular triangular prism shown. How many square inches of wrapping paper do you need to completely cover the prism?
See slide #3
What is 14 in 2?
An elephant gained 55 kilograms steadily over 2525 years. What is the unit rate of kilogram per year?
0.2
The track team needs new uniforms. The students plan to sell plush toy bears (the school mascot) for $5 each. The students find three companies on-line that sell stuffed mascots. Company A sells 18 bears for$51.66. Company B sells 16 bears for $45.44. Company C charges $34.20 for 12 bears. Which company has the best buy?
B
5 9/8
49/8
5/13 divided by 23/39
15/23
What is the area of the rectangle?
See slide #6 for shape.
108
A rino lost 16.516.5 pounds in 66 weeks. Find her rate of loss in pounds per week.
2.75
At a home improvement store, you find two ways to buy the kind of roofing nail you need. The 22-pound box sells for $3.543. The 17-pound box sells for $29.92. Use pencil and paper. Which box is the better buy.
17$
7 7/6
49/6
7 2/3 divided by 3 3/8
2 22/81
Find the area.
See shape on slide #7.
What is 64 ft2?
The 165165 workers at a factory together produce 22 comma 93522,935 items per day. What is the daily unit rate of items per worker?
139
At a supermarket, an 88-ounce bottle of brand A salad dressing costs $1.76. A 15-ounce bottle costs $3.45. An 18-ounce bottle costs $4.32. What is the best buy?
8$
9 7/9
88/9
5 5/7 divided by 5/6
6 6/7