Arrays

Front

What is an array in mathematics?

Back

An array is a systematic arrangement of objects, usually in rows and columns, that helps visualize multiplication and division.

Tags

CCSS.3.OA.A.1

Front

How do you represent multiplication using an array?

Back

Multiplication can be represented using an array by arranging objects in rows and columns, where the number of rows represents one factor and the number of columns represents the other factor.

Tags

CCSS.3.OA.A.1

Front

What multiplication sentence does an array with 4 rows and 9 columns represent?

Back

4 X 9 = 36.

Tags

CCSS.3.OA.A.1

Front

If an array has 2 rows and 4 columns, what multiplication sentence does it represent?

Back

2 X 4 = 8.

Tags

CCSS.3.OA.A.1

Front

In the context of arrays, what does the 'X' sign represent?

Back

The 'X' sign represents 'groups of' in multiplication.

Tags

CCSS.3.OA.A.1

Front

How can you use an array to solve a word problem involving groups?

Back

You can visualize the groups and their quantities using an array, then write a multiplication sentence to find the total.

Tags

CCSS.2.OA.C.4

Front

If Andrew uses 2 oranges per glass and makes 6 glasses, how can this be represented with an array?

Back

This can be represented as an array of 2 (oranges) in 6 (glasses), leading to the multiplication sentence 2 X 6 = 12 oranges.

Tags

CCSS.2.OA.C.4

Front

What is the total number of sandwiches made if there are 4 friends and 3 sandwiches for each?

Back

The total number of sandwiches is represented by the multiplication sentence 4 X 3 = 12 sandwiches.

Tags

CCSS.3.OA.A.3

Front

What is the importance of labeling work shown in multiplication problems?

Back

Labeling helps clarify what each number represents, making it easier to understand the context of the problem.

Tags

CCSS.4.NBT.B.5

Front

How can arrays help in understanding multiplication?

Back

Arrays provide a visual representation of multiplication, making it easier to grasp the concept of repeated addition.

Tags

CCSS.4.NBT.B.5