Customary
a) 2 rows and 3 columns
b) 4 rows and 4 columns
c) 3 rows and 6 columns
d) 5 rows and 2 columns
Kamilla has 20 color tiles. She wants to make a rectangle with 7 rows and 5 columns. How many more color tiles does Kamilla need?
Large paper clip chains are 12 inches long. Small paper clip chains are 5 inches long. How many paper clip chains are needed to have 29 inches of paper clip chains?