Help your child spot the correct arrays in this worksheet: having them count the items in each and check the boxes for the ones with 15 objects. Ask them to differentiate between rows and columns and explain which ones match the equation 5+5+5=15.
This worksheet stimulates thinking about arrays and how to represent them. Instruct students to count the 6 arrays and find which ones sum up to 12. Ask them to check the answers for accuracy.