Extended Facts
30 x 4
120
2 x 4
8
How many feet in a 1 yard?
3
Is 1 a square number?
yes
20 x 5
100
20 x 40
800
7 x 3
21
How many feet in 3 yards?
9
Name the first 4 square numbers.
1, 4, 9, 16
60 x 70
4,200
50 x 700
35,000
9 x 6
54
How many feet in 5 yards?
15
Is 81 a square number?
Yes
90 x 500
45,000
60 x 3,000
180,000
9 x 9
81
How many feet in 10 yards?
30
Is 77 a square number?
No
40 x 300
12,000
400 x 8,000
3,200,000
12 x 9
108
How many feet in 13 yards?
39
What is the 10th square number?
100
7,000 x 900
6,300,000