What is the result of multiplying any number by 0?

The result is always 0, as anything multiplied by zero equals zero.

If a rectangle has a length of 3 and a width of 4, what is the area?

Area = length × width 

12 square units

When multiplying by 10, what happens to the digits of a number?

When multiplying a number by 10, all digits shift one place to the left, and a zero is added at the end of the number.

Example:

• 24 × 10 = 240

• 356 × 10 = 3560

Fill in the blank: 8 × 20 = _____ and 20 × 8 = _____.

160 for both.(Multiplication is commutative: 8 × 20 = 20 × 8.)

What is the product of 12 and 9 using the distributive property?

12 × 9 can be calculated as 

12 × 9 = (10 + 2) × 9
= (10 × 9) + (2 × 9)
= 90 + 18
= 108

True or False: Doubling one factor and halving another in multiplication changes the product.

False. The product remains the same.

Calculate the product of 453 and 13.

The product is 5,889. 

If you have 22 multiplied by 5, how can you use halving and doubling to find the answer?

To use halving and doubling, you can halve one number and double the other:

22 × 5

• Halve 22 → 11

• Double 5 → 10

Now multiply the easier numbers:

110

What is the product of 3 multiplied by 4 multiplied by 5?

The product is 60, calculated as 3 × 4 = 12, then 12 × 5 = 60.

Fill in the blank: The product of 6450 and 72 is _____.

If you multiply 10 by 100, what is the result?

The result is 1,000, as 10 × 100 = 1,000.

When multiplying by 100, the digits shift two places to the left, and two zeros are added at the end.

What is the result of 5 multiplied by itself four times?

The result is 625, because 5 × 5 × 5 × 5 = 625.