Understanding Arrays and Counting Objects

What is an array?

• A group of objects arranged in rows and columns.

• A group of objects in a circle.

• A group of objects scattered everywhere.

• A group of objects that are all different.

What shape does a rectangular array make?

• A circle

• A square

• A rectangle

• A triangle

How many cats are in each row of the cat array?

• 3

• 4

• 12

• 6

How many rows of cats are there?

• 3

• 4

• 12

• 6

How many cats are there in total?

• 3

• 4

• 7

• 12

Why are arrays helpful?

• They make objects look pretty.

• They make objects easier to count.

• They help with drawing.

• They are fun to make.

Is the picture of stars a rectangular array?

• Yes, because they are yellow.

• No, because they are in a circle.

• Yes, because there are many stars.

• No, because they are not houses.

How many houses are in each row?

• 2

• 4

• 8

• 6

How many houses are in each column?

• 2

• 4

• 8

• 6

Is the picture of smiley faces a rectangular array?

• Yes, because they are smiling.

• No, because the rows are not equal.

• Yes, because there are many faces.

• No, because they are not in columns.