Arrays and Equal Groups

Front

What is an array?

Back

An array is a way to organize objects in rows and columns.

Tags

CCSS.3.OA.A.1

Front

What are equal groups?

Back

Equal groups are groups that have the same number of items in each.

Tags

CCSS.2.OA.C.3

Front

What does the multiplication sentence 3x3=9 represent?

Back

It represents 3 groups of 3 items, totaling 9 items.

Tags

CCSS.3.OA.A.1

Front

How do you find the total number of items in an array?

Back

Multiply the number of rows by the number of columns.

Tags

CCSS.3.OA.A.1

Front

If you have 6 groups of 5, how many items do you have in total?

Back

30 items (6x5=30).

Tags

CCSS.2.OA.C.3

Front

What is the multiplication equation for an array with 3 rows and 2 columns?

Back

3x2=6.

Tags

CCSS.3.OA.A.1

Front

If there are 16 oranges and you want to make 4 equal groups, how many oranges are in each group?

Back

4 oranges (16 divided by 4).

Tags

CCSS.3.OA.A.3

Front

What is the multiplication sentence for 4 groups of 3?

Back

4x3=12.

Tags

CCSS.3.OA.A.1

Front

How can you represent 9 using equal groups?

Back

You can have 3 groups of 3 (3x3=9) or 1 group of 9.

Tags

CCSS.4.OA.B.4

Front

What is the total number of items in an array with 4 rows and 3 columns?

Back

12 items (4x3=12).

Tags

CCSS.3.OA.A.1