3rd Grade-Arrays

Front

What direction do columns go?

Back

Up and down

Front

How many rows does 4 x 3 have?

Back

4

Front

What is the answer to a subtraction problem?

Back

difference

Front

What multiplication fact and product does this array represent? (3 x 3 = 9, 5 x 3 = 15, 5 x 4 = 20, 3 x 5 = 18)

Back

5 x 3 = 15

Front

What multiplication sentence does this repeated addition sentence represent? (6 + 6 + 6 + 6 + 6 = )

Back

5 x 6 =

Front

What is an array?

Back

An arrangement of objects in rows and columns.

Front

What does the term 'rows' refer to in an array?

Back

Rows go across.

Front

What does the term 'columns' refer to in an array?

Back

Columns go up and down.

Front

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

Back

Multiply the number of rows by the number of columns.

Front

If an array has 2 rows and 5 columns, how many total items are there?

Back

10 items (2 x 5 = 10).