Maria makes an array
of 4 rows of 5 tiles. She wants to
make an array to show the fact 5 × 5.
What can she do to change the array
to show 5 × 5 as a related fact?
A Add one row of 5 tiles.
B Add 5 rows of 5 tiles.
C Take away one row of 5 tiles.
D Add 4 more tiles.