Multiplication Techniques and Practices

This lesson covers the process of multiplying two-digit numbers, emphasizing the importance of multiplying in the correct order. It provides two examples: 34 times 12 and 95 times 83, demonstrating step-by-step calculations, including handling carries and adding results. The lesson concludes with tips on managing carries and ensuring accuracy in multiplication.

What is the first step in multiplying two-digit numbers?

• Add the two numbers together

• Multiply the bottom number by the top number from right to left

• Subtract the smaller number from the larger number

• Multiply the top number by itself

When multiplying the first digit of the bottom number, what is the correct order?

• Left to right

• Bottom to top

• Right to left

• Top to bottom

What should you do when you reach the tens column in multiplication?

• Subtract one from the result

• Multiply directly without any changes

• Add a zero before multiplying

• Ignore it

In the example of 34 x 12, what is the result of multiplying 2 by 4?

• 6

• 8

• 12

• 10

In the example of 34 x 12, what is the final result after adding all numbers?

• 340

• 420

• 408

• 400

In the example of 95 x 83, what is the result of 3 x 5?

• 15

• 18

• 12

• 10

Where should you place the carry when multiplying 3 x 9 in the example of 95 x 83?

• Above the 5

• Above the 9

• Above the 3

• Above the 8

What is the result of 8 x 5 in the example of 95 x 83?

• 35

• 45

• 40

• 30

In the example of 95 x 83, what is the final result after adding all numbers?

• 7880

• 7890

• 7895

• 7885

What is the best practice for handling carries in multiplication?

• Ignore them

• Write them on a separate sheet

• Place them in the correct column and cross out after use

• Add them to the final result directly