Area & Perimeter
What is the formula (equation) to find the area?
Area = Length x Width
8 x 8
64
9 x 9
81
Erin did 4 Zearn Lessons and Shiniyah did three times as many as Erin. How many Zearn Lessons did Shiniyah complete?
Shiniyah completed 12 Zearn Lessons.
Stephon did 5 Zearn Lessons and Calvin did three times as many as Stephon. How many Zearn Lessons did Calvin complete?
Calvin completed 15 Zearn Lessons.
What is the formula (equation) to find the Perimeter?
Perimeter = (2) Length + (2) Width
Or just simply add all the sides together.
50 x 40
2,000
60 x 30
1,800
The Panthers completed 97 Zearn Lessons as a class and the Jaguars completed 13 more lessons than the Panthers. How many Zearn Lessons did the Panthers and Jaguars complete in all?
In total, the Panthers and Jaguars completed 207 Zearn Lessons.
The Tigers completed 84 Zearn Lessons as a class and the Bisons completed 27 more lessons than the Tigers. How many Zearn Lessons did the Tigers and Bisons complete in all?
In total, the Bisons and the Tigers completed 195 Zearn Lessons.
What is the area and perimeter of this rectangle?
Length: 12 meters
Width: 4 meters
Area = 48 square meters
Perimeter = 32
4 x 76
304
3 x 89
367
Last year Aaliyah was able to plant 3 rows of carrots with 13 plants in each row. This year she plans to plant twice as many rows with twice as many carrot plants in each. How many carrot plants will she plant this year? Write a multiplication equation to solve. Assess the reasonableness of your answer. RDW
3 x 2 = 6 & 13 x 2 = 26 (twice as many rows and plants)
6 x 26 = 156
Aaliyah will be plant 156 carrots this year.
Last year Marshawn and Jaeydn were able to plant 4 rows of corn with 12 plants in each row. This year they plan to plant twice as many rows with twice as many carrot plants in each. How many carrot plants will they plant this year? Write a multiplication equation to solve. Assess the reasonableness of your answer. RDW
4 x 2 = 8 & 12 x 2 = 24 (twice as many rows and plants)
8 x 24 = 192
Marshawn and Jaeydn will be plant 192 corn on the cobs this year.
There is a rectangle with an area of 70 square meters, with a width of 7 meters. What is the length and perimeter of the rectangle?
The length of the rectangle is 10 meters.
The perimeter is 34.
6 x 963
5,778
7 x 754
5,278
A school has two auditoriums. Auditorium A has 9 rows of seats with 16 seats in each row. Auditorium B has three times as many seats as Auditorium A. How many seats are there in both auditoriums?
There are 144 seats in Auditorium A and 432 seats in Auditorium B. There are 576 seats in both auditoriums.
A movie theater has two rooms. Room A has 8 rows of seats with 16 seats in each row. Room B has three times as many seats as Room A. How many seats are there in both rooms.
There are 128 seats in Room A and 384 seats in Room B. There are 512 seats in both rooms.
Last year Sophie's rectangular garden had a width of 5 meters and an area of 30 square meters. This year Sophie is making her garden three times as long and two times as wide. What is the length of last years garden? What are the measurements (length, width, area) of this years garden?
Last year's length of the garden was 6 meters.
This years garden's length will be 18 meters, the width will be 10 meters and the area will be 180 square meters.
5 x 7,043
35,215
5 x 8,034
40,170
Mr. Riley has 8 cases of pencils with 52 boxes in each case. Mr. Moore has 5 cases of pencils with 104 boxes in each case. How many total boxes of pencils do both teachers have? Is your answer reasonable? Explain.
Mr. Riley has 416 and Mr. Moore has 520 boxes of pencils. It makes sense that Mr. Moore has more because he has double the amount of boxes in each case and Mr. Riley does not have double the cases.
Ms. Melanie has 7 cases of markers with 54 boxes in each case. Mr. McMackin has 4 cases of markers with 108 boxes in each case. How many total boxes of markers do both teachers have? Is your answer reasonable? Explain.
Ms. Melanie has 378 and Mr. McMackin has 432 boxes of markers. It makes sense that Mr. McMackin has more because he has double the amount of boxes in each case and Ms. Melanie does not have double the cases.