Area of squares, rectangles, and triangles
Look at card #1
77ft2
7/3
2 1/3
1/6 x 1/9=
1/54
20-(-15)=
5
-13y=39
-13=-39
y=-39/(-13)
y=3
Look at card #2
37.5m2
14/3
4 2/3
5/24 x 8/15 =
1/9
-19-(-7)=
12
9d=-63
9d=63
d=-63/9
d=15
Look at card #3
216yd2
1 2/3
5/3
1 3/4 x 20/21 =
1 2/3
5-(-8)=
13
8b=-112
8b=-112
b=112/8
b=-14
Look at card #4
10,000in2
17/5
3 2/5
4 9/10 x 1 1/7=
5 6/10
-16-(12)=
28
-88=-22p
-88=-22p
-88=/(-22)=p
p=4
Look at card #5
144yd2
8 1/2
17/2
8 1/3 x 4 1/2=
37 1/2
-32-(17)=
-15
12y=-180
12y=-180
y=180/12
y=15