Multiplication Strategies 3rd grade

Front

What is repeated addition in multiplication?

Back

Repeated addition is the process of adding the same number multiple times to find the total. For example, 3 x 5 can be expressed as 5 + 5 + 5.

Front

How do you calculate the total number of legs for multiple dogs?

Back

To find the total number of legs, multiply the number of dogs by the number of legs each dog has. For example, 3 dogs with 4 legs each: 3 x 4 = 12 legs.

Front

What is the term for horizontal arrangements in a grid?

Back

Rows are the horizontal arrangements in a grid.

Front

How do you write a multiplication sentence from a number line?

Back

A multiplication sentence can be written by identifying the number of groups and the number in each group. For example, if the number line shows 5 groups of 2, it can be written as 5 x 2 = 10.

Front

What is another way to express repeated addition?

Back

Repeated addition can be expressed as multiplication. For example, 2 + 2 + 2 + 2 can be expressed as 2 x 4.

Front

What is the multiplication strategy of grouping?

Back

Grouping is a multiplication strategy where you group items into equal sets to simplify the calculation. For example, grouping 12 apples into sets of 3 helps to find how many groups there are.

Front

What is the difference between rows and columns?

Back

Rows are horizontal lines of items, while columns are vertical lines of items.

Front

How can you visualize multiplication using arrays?

Back

An array is a visual representation of multiplication where items are arranged in rows and columns. For example, 3 rows of 4 items each represent 3 x 4.

Front

What is the commutative property of multiplication?

Back

The commutative property states that changing the order of the factors does not change the product. For example, 3 x 4 = 4 x 3.

Front

What is the associative property of multiplication?

Back

The associative property states that the way in which factors are grouped does not change the product. For example, (2 x 3) x 4 = 2 x (3 x 4).