Missing Factor
Area, squarea
Are they the same area?
Think about it...
TRUE OR FALSE?
100
5 x ___ = 40
6
100
35 square inches
100
Jayden says the rectangle on the left has the same area as the sum of the two on the right. Michael says they
do not have the same areas. Who is correct? 
Jayden is correct
6 x 4 = 24
(6 x 3) + (6 x 1) = 24
100
Furaha and Rahema push their rectangles together. What would the TOTAL area be?
(4 x 6) + (4 x 7) = 52 sq units
100
TRUE OR FALSE
8 x 15 = (8 x 10) + (8 x 5)
TRUE
200
6 x ___ = 30
5
200
30 square yards
200
Ezra says the rectangle on the left has the same area as the sum of the two on the right. Eric says they do not have the same areas. Who is correct? Explain using numbers, pictures, and words.
Eliza
4 x 4=16
(2 x 4) + (2 x 4) = 16
200
Find the area of rectangle A and the area of rectangle B. Then, find the TOTAL area.
6 x 6 = 36, 3 x 6 = 18
18 + 36 = 54
200
TRUE OR FALSE:
14 x 7 = (10 x 4) + (7 x 4)
FALSE
300
4 x ___ = 36
9
300
Draw two arrays that have an area of 18 square cm
18 x 1, 6 x 3, 9 x 2
300
Brian says the rectangle on the left has the same area as the sum of the two on the right. Elena says they
do not have the same areas. Who is correct? Explain using numbers, pictures, and words.
Elena
7 x 4 = 28
(2 x 4) + (4 x 4) = 24
300
Write TWO equations to show how you could find the area of this large rectangle. (HINT: One equation for the shaded part, one equation for the unshaded part)
(8 x 5) = 40
(8 x 2) = 16
300
TRUE OR FALSE:
9 x 8 = (5 x 8) + (4 x 8)
TRUE
400
7 x ___ = 28
4
400
Draw two arrays that have an area of 36 square inches
36 x 1, 9 x 4, 18 x 2, 12 x 3
400
Lena says the rectangle on the left has the same area as the sum of the two on the right. Eduardo says they do not have the same areas. Who is correct? Explain using numbers, pictures, and words.
Eduardo
7 x 5 = 35
(2 x 7) + (4 x 7) = 42
400
Write TWO equations to show how you could find the area of this large rectangle. (HINT: One equation for the shaded part, one equation for the unshaded part)
9 x 10 = 90
9 x 3 = 27
400
TRUE OR FALSE: These rectangles have the same area.
TRUE
6 x 3 = 18
9 x 2 = 18
500
___ x 9 = 72
8
500
Draw two arrays that have an area of 24 square centimeters
24 x 1, 12 x 2, 8 x 3, 6 x 4
500
Elle says the rectangle on the left has the same area as the sum of the two on the right. Josue says they do not have the same areas. Who is correct? Explain using numbers, pictures, and words.
Elle
9 x 4 = 36
(9 x 2) + (9 x 2) = 36
500
What is the total area of this rectangle?
(4 x 10) + (4 x 6) = 64 square inches
500
TRUE OR FALSE: These rectangles have the same area.
FALSE
3 x 10 = 30
6 x 4 = 24