Arrays practice

Front

What is an array?

Back

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

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

What does 3 x 3 mean in terms of an array?

Back

It means there are 3 rows with 3 items in each row, totaling 9 items.

Tags

CCSS.3.OA.A.1

Front

What is a fact family?

Back

A fact family is a group of related addition and subtraction or multiplication and division facts using the same numbers.

Tags

CCSS.4.NBT.B.6

Front

If an array has 4 rows and 5 columns, what is the total number of items?

Back

4 x 5 = 20 items.

Tags

CCSS.3.OA.A.1

Front

What equation represents an array with 5 rows and 3 columns?

Back

5 x 3 = 15.

Tags

CCSS.3.OA.A.1

Front

Which equation does NOT belong to the fact family of 5 x 3 = 15?

Back

3 x 6 = 18.

Tags

CCSS.4.NBT.B.6

Front

What is the equation for an array with 2 rows and 6 columns?

Back

2 x 6 = 12.

Tags

CCSS.3.OA.A.1

Front

How can you represent the number 12 using an array?

Back

You can use 3 rows of 4 (3 x 4) or 4 rows of 3 (4 x 3).

Tags

CCSS.3.OA.A.1

Front

What does the equation 5 + 5 + 5 represent?

Back

It represents an array with 3 rows of 5 items each.

Tags

CCSS.2.OA.C.4