Multiplication 2nd Grade Tx TEKS

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of the same number. For example, 3 multiplied by 4 (3 x 4) is the same as adding 3 four times (3 + 3 + 3 + 3).

Front

How can a rectangular array represent multiplication?

Back

A rectangular array visually represents multiplication by arranging objects in rows and columns. The total number of objects is the product of the number of rows and the number of columns.

Front

What is the number model for 3 rows of 3 stars?

Back

The number model is 3 x 3 = 9.

Front

What is the number model for 5 rows of 5 stars?

Back

The number model is 5 x 5 = 25.

Front

How do you write a number model for a rectangular array with 4 rows of 2?

Back

The number model is 4 x 2 = 8.

Front

What is the sum of 2 + 2 + 2 + 2?

Back

The sum is 8, which can also be represented as 4 x 2.

Front

What does the term 'array' mean in mathematics?

Back

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

Front

How can you find the total number of items in a rectangular array?

Back

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

Front

What is the number model for 3 rows of 4 stars?

Back

The number model is 3 x 4 = 12.

Front

What is the relationship between addition and multiplication?

Back

Multiplication is a shortcut for repeated addition. For example, 4 x 3 is the same as 4 + 4 + 4.