Math Arrays

Front

What is an array in mathematics?

Back

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

Tags

CCSS.4.NBT.B.5

Front

How do you write an addition sentence for an array?

Back

An addition sentence for an array is written by adding the number of items in each row together, multiplied by the number of rows.

Tags

CCSS.2.OA.C.4

Front

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

Back

The total number of items is 16, calculated as 4 rows x 4 items per row.

Tags

CCSS.2.OA.C.3

Front

If an array has 3 rows of 5, what is the addition sentence?

Back

The addition sentence is 5 + 5 + 5 = 15.

Tags

CCSS.2.OA.C.4

Front

How can you determine the number of rows in an array?

Back

You can determine the number of rows by counting how many horizontal lines of items are present.

Tags

CCSS.2.OA.C.4

Front

What does the term 'total' refer to in the context of arrays?

Back

The term 'total' refers to the sum of all items in the array.

Tags

CCSS.2.OA.C.4

Front

How do you find the total number of items in an array with 2 rows of 5?

Back

Multiply the number of rows (2) by the number of items in each row (5): 2 x 5 = 10.

Tags

CCSS.3.OA.A.1

Front

What is the relationship between arrays and multiplication?

Back

Arrays visually represent multiplication as repeated addition, where the number of rows and columns corresponds to the factors.

Tags

CCSS.4.NBT.B.5

Front

What is the addition sentence for an array with 3 rows of 4?

Back

The addition sentence is 4 + 4 + 4 = 12.

Tags

CCSS.2.OA.C.4

Front

How can arrays help in solving word problems?

Back

Arrays help visualize the problem, making it easier to understand the quantities involved and how they relate to each other.

Tags

CCSS.2.OA.C.4