Multiplication Tricks with Nines

The video tutorial introduces a simple trick to help remember multiplication by nine. The trick involves taking the number being multiplied by nine, reducing it by one, and then adding it to nine to find the answer. The tutorial provides examples using 9 times 7, 9 times 6, and 9 times 8, demonstrating the trick step-by-step. The video concludes with encouragement to use this method to improve multiplication skills.

What is the main challenge discussed at the beginning of the video?

• Learning addition

• Remembering the multiplication table of nine

• Understanding division

• Solving algebraic equations

What is the first step in the trick to calculate nine times seven?

• Subtract one from seven

• Add seven to nine

• Divide seven by nine

• Multiply seven by two

After reducing the number by one, what should you do next in the trick?

• Multiply it by nine

• Add it to nine

• Subtract it from nine

• Divide it by nine

What is the result of nine times six using the trick explained?

• 81

• 72

• 63

• 54

How does the trick help in calculating nine times eight?

• By adding eight to nine

• By dividing eight by nine

• By reducing eight by one and adding it to nine

• By multiplying eight by nine directly