Area and Perimeter
How do you find area?
How do you find perimeter?
a=lxw
p=add all sides (l+l+w+w) or (lx2)+(wx2)
786+12
798
4x4
16
Draw a circle fraction and label it with 1/4
teacher check
How many sides do triangles have?
3
Fill in the following for perimeter of a rectangle:
7+7+__+___=24
7+7+5+5=24
Mrs. DeWitt and her class collected books.
• Group A collected 334 books.
• Group B collected 407 books.
• The teacher collected 26 books.
How many books did they collect all together?
767
18/2=
42/6=
7x7=
3x5=
9
7
49
15
Draw a fraction number line and label 5/8
Teacher check
How many sides do quadrilaterals have?
4
Fill in the missing information for area
5x__=35 sq inches
__x7= 42 sq. feet
5x7
6x7
712-586
125
What is the value of 3x40?
120
Mrs. Knight put Lou to bed at 7:15. Lou woke up for a snack at 9:05. How long did she sleep for?
1 Hour and 50 minutes
A package of cookies weighs 531 grams. One cookie weighs 77 grams. If I take out two cookies, how much does the package weigh?
377 grams
Find the missing dimension for a rectangle that has an area of 28 sq. feet and a perimeter of 22 feet if one of its side lengths is 4 feet
7 feet
4x7=28
4+4+7+7=22
758+367
1125
Write an expression and solve:
There are 6 people who each have 8 oranges. How many oranges are there?
6x8=48 oranges
Mrs. Iversen eats 3/8 of a candy bar. Mrs. DeWitt eats 3/6 of the same-sized candy bar. Mrs. Knight says Mrs. Iversen ate more because 8 is greater than 6. Is she correct? Who ate more of their candy bar? How do you know?
Mrs. Knight is wrong. Mrs. DeWitt ate more because sixths are greater than eighths and when the numerators are the same, you compare the denominators.
Can check pictures and work
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What is the area and perimeter of a square with a side length of 6 inches?
Area: 6x6=36 sq. inches
Perimeter: 6+6+6+6=24 inches
Mrs. Iversen says that 921-92=971 because in the ones column, 1-2 is 1, in the tens column 2-9 is 7 and in the hundreds column 9-0 is 9. Is she correct? Show and explain your thinking with words and numbers.
Teacher check but NO she is WRONG
240/8=
8x80=
30
640
It is 2:31. What time will it be in 48 minutes?
3:19
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