What are the strategies for multiplication?

What are the strategies for multiplication?

The nine multiplication strategies include:

  • repeated addition.
  • array.
  • equal groups.
  • number line.
  • commutative law.
  • doubling and halving.
  • doubling.
  • use friendly facts.

What is a unmarked array?

For larger numbers, arrays without grid lines can be easier to use than arrays with grid lines. Look at how unmarked arrays are used to show different ways to solve the problem 9 12.

How do you do multi digit multiplication?

To multiply large numbers, stack the first number on top of the second. Then multiply each digit of the bottom number, from right to left, by the top number. In other words, first multiply the top number by the ones digit of the bottom number.

How do you do multiplication with an array?

On this worksheet, your students will practice using arrays to solve multiplication facts. Count the row and columns to solve. Roll a pair of dice. Draw a rectangular array for each pair of numbers rolled. Each of these 30 task cards has a question related to multiplication with arrays.

Is there a double digit array multiplication game?

Great for visual learners, this array game shows students how to determine the product of two-digit multiplication problems by dividing the area of a grid into smaller arrays. Practicing these skills help kids move from concrete to abstract problem-solving in multiplication. Thank you for your input.

How to teach multi-digit multiplication in the classroom?

I remind students of place value and together we first create the sides of our array. For instance, in the problem 27 x 4, we create the two tens and the seven ones using our base ten blocks on one side and create the four ones on the other. Next, we have to fill in the space to create an array.

How to teach multiplication using arrays and base ten blocks?

Step One in Multiplication Using Arrays and Base Ten Blocks Step one is to once again write out the factors in expanded form. One going across the page, and one going down the page. Step Two: Create an Array with Base Ten Blocks