Arrays

Which repeated addition sentence represents this rectangular array? Options:

4+4+4+4=16

4+4+4+4+4=20

5+5+5+5=20

3+3+3+3=12

Which equation matches this array? Options: 5 x 3 = 15, 3 x 5 = 15, 4 x 3 = 12, 3 x 4 = 12

Which equation matches this array?

How many rows are in this array?

Which equation matches this array? Options: 3 x 5 = 15, 5 x 3 = 15, 3 x 4 = 12, 4 x 3 = 12

Which equation matches this array? Options: 5 x 3 = 15, 4 x 3 = 12, 3 x 4 = 12, 3 x 5 = 15

Which one goes up and down? Options: columns, rows

Which one goes across? Options: columns, rows

What multiplication expression does this array represent?
X X X X X 
X X X X X 
X X X X X 
X X X X X 
X X X X X 

What multiplication expression matches the array? Options: 4x4, 4x1, 16x4, 5x4