Explain to your child that an array is a group of objects, pictures, or numbers in columns and rows. Show them a rectangular array is a group of objects in equal rows and columns. Guide them to check the pictures in the worksheet to spot any rectangular arrays. Help them remember this concept.
With this worksheet, kids can use the strategies of making tens and adding doubles to add numbers with more than three addends. They'll practice choosing the right method and become more confident in their calculations, enabling quicker, more efficient computation.