1's, 10's, and 100's
40 X 600
24,000
46 X 81
50 X 80= 4,000
22
X 22
_______________________________________
44
_____
484
22
X 22
_______________________________________
44
440
484
What is the difference between area and perimeter?
Area is the number of square units inside the object. Perimeter is the measurements outside of the object.
47 X 86=
4,042
70X 70
4,900
37 X 89
40 X 90=3,600
42
X 82
_______________________________________
_____
3360
=. 3,444
42
X 82
_______________________________________
84
3360
=. 3,444
Draw the problem on your whiteboard
A= 45 X 37
A= L X W
54 x 63=
3,402
300 X 400
120,000
57 X 55
60 X 60= 3,600
99
X 45
_______________________________________
49_
__60
=. 4,455
99
X 45
_______________________________________
495
3960
=. 4,455
Solve a draw the problem
A= 9 X 8
A= 72
64 X 71=
4,544
80 X 500
40,000
567 X 34
600 X 30=18,000
62
X 43
___________________
6
180
. 80
_____
= 2,666
62
X 43
___________________
6
180
. 80
2400
= 2,666
Solve and draw the problem
A= 18 X 19
A=342
52 X 36=
1,872
900 X 800
720,000
632 X 67
600 X 70= 42,000
76
X 86
___________________
36
_____
. _____
5600
_________________________________
= 6,536
76
X 86
___________________
36
420
. 480
5600
_________________________________
= 6,536
Solve and draw the problem
A= 83 x 42
82 X 85=
6,970