Third Grade Arrays

Front

What is an array in mathematics?

Back

An array is a systematic arrangement of objects, usually in rows and columns, used to represent multiplication and division.

Front

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

Back

To find the total number of items in an array, multiply the number of rows by the number of columns.

Front

What does the expression 4 x 6 represent in an array?

Back

It represents an array with 4 rows and 6 columns, totaling 24 items.

Front

Is the statement 'This array shows 4 x 6 = 25' true or false?

Back

False, because 4 x 6 equals 24, not 25.

Front

What does the expression 3 x 7 represent in an array?

Back

It represents an array with 3 rows and 7 columns, totaling 21 items.

Front

Is the statement 'This array shows 3 x 7 = 21' true or false?

Back

False, because 3 x 7 equals 21, but the statement is misleading as it implies a different context.

Front

What does the expression 2 x 3 represent in an array?

Back

It represents an array with 2 rows and 3 columns, totaling 6 items.

Front

Is the statement 'This array shows 2 x 3 = 7' true or false?

Back

False, because 2 x 3 equals 6, not 7.

Front

What does the expression 4 x 5 represent in an array?

Back

It represents an array with 4 rows and 5 columns, totaling 20 items.

Front

Is the statement 'This array shows 4 x 5 = 20' true or false?

Back

False, because 4 x 5 equals 20, but the context of the statement may be misleading.