Perimeter vs Area Our Familys Tree Farm Math

Perimeter vs Area Our Family’s Tree Farm Math Lesson vs

What is Perimeter? Perimeter = the total length of all the sides of a straight edge shape. What is the perimeter of this square? 5+5+5+5= 20 inches 5 inches

Perimeter Practice What is the perimeter of this rectangle? 2 + 15 = 34 inches 2 inches 15 inches

What is Area? Area = the amount of space inside a boundary. What is the area of this square? Let’s draw an array and count the number of squares! 25 squares 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

Area Practice Let’s try again. This time with our rectangle. Length x Width = Area 15 x = 30 2 30 squares 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 17 18 19 20 21 22 23 24 25 26 27 28 29 30 2 16

Real World: When Do We Use Perimeter? Fencing! Farmers use perimeter to determine the amount of fence needed to surround a field. 365 ft 648 365 +648 + 648 = 6 4 8 f t ft How much fencing does the farmer need to keep the cows out of the tree farm? 2, 026 feet 365 ft

Real World: When Do We Use Area? 3 x 8= 24 acres 8 acr Step 1: Find area Length x Width = Area es Farmers use area to help find the needs of the farm. For example, once a tree farmer knows the area of the farm, he/she can use that number to decide how many tree seedlings to plant to cover that area. 3 acres

Real World: When Do We Use Area? • 24 acres are available for trees on the farm • plant 50 seedlings per acre 24 acres x 50 seedlings = 1, 200 seedlings 8 acr Step 2: What do we know? es How many seedlings does the farmer need to buy if he/she plans to plant 50 seedlings per acre? 1 acre 3 acres