Question: What Happens When You Multiply A Number By 10?

How do you multiply by 100?

To multiply any number by 100, just tag TWO zeros on the end.

To multiply any number by 1,000, just tag THREE zeros on the end.

Note especially what happens when the number you multiply already ends in a zero or zeros.

The rule works the same; you still have to tag the zero or zeros..

Why do you put a zero when multiplying?

In the second multiplication, one has to add a zero in the ones place. This is because we’re actually multiplying by a multiple of ten (such as 70 or 40).

Is 6 a multiple or factor of 12?

Table of Factors and MultiplesFactorsMultiples1, 3, 99361, 2, 5, 1010401, 1111441, 2, 3, 4, 6, 12124841 more rows

How does 10 relate to place value?

Understand the place value system. Recognize that in a multi-digit number, a digit in one place represents 10 times as much as it represents in the place to its right and 1/10 of what it represents in the place to its left.

Why do you add a zero when multiplying by 10?

It’s almost taught like a sort of recipe but ‘adding a zero’ is like cooking the books, it’s maths fraud! … Imagine ‘adding a zero’ when multiplying 0.05 by 10. Pupils who have learned this rule might answer 0.050, or they could decide to add the zero somewhere else because they are unfamiliar with decimals.

How do we multiply quickly by 10 or 100 mentally?

To multiply a decimal by 10, move the decimal point in the multiplicant by one place to the right. Here we multiplied the number 834.7 by 10 so we move 1 place to the right. 2. To multiply a decimal by 100, move the decimal point in the multiplicant by two places to the right.

How many ones are there in 10?

Key concept: A ten is a bundle of ten ones. Key concept: The numbers 11 – 19 are made of a ten and 1, 2, 3, 4, 5, 6, 7, 8, or 9. Key concept: We can count on or make ten to add and subtract within 20.

What is the value of 5?

5 is in hundreds place and its place value is 500, 4 is in tens place and its place value is 40, 8 is in ones place and its place value is 8.

What is a multiple of 10?

Multiples of 10 are numbers like 10, 20, 30, 40, 50, 60, and so on. Multiples of 10 have a zero in the ones place. There are several different ways to multiply multiples of 10.

What will be the multiplication value of First 5 whole numbers?

The product of the first five whole numbers is 0. This is because the first five whole numbers are: 0, 1, 2, 3, and 4.

How do you multiply by hand?

Steps to multiply using Long MultiplicationWrite the two numbers one below the other as per the places of their digits. … Multiply ones digit of the top number by the ones digit of the bottom number. … Multiply the tens digit of the top number by the ones digit of the bottom number. … Write a 0 below the ones digit as shown.More items…

What are the first 10 multiples of 12?

The first 10 multiples of 12 are: 0, 12, 24, 36, 48, 60, 72, 84, 96, 108.

What happens when you divide a 2 digit number by 10 100 or 1000?

One place left for 10, two places left for 100 and three places left for 1000. When we divide by 10, 100 and 1000 we do the opposite and shift the digits to the right instead. Multiplication examples: … To multiply by 1000 move the digits to the left by three places.

What are the rules in multiplying?

Basic Rules of Multiplication:Any number multiplied by 0 is 0. … Any number multiplied by 1 stays the same. … When a number is multiplied by two we are doubling the number. … When a whole number is multiplied by 10 we can simply write a 0 at the end (there is one zero in 10 because it is 1 × 10).More items…

What are the first 10 multiples of 8?

List the first 10 multiples of 8. 8, 16, 24, 32, 40, 48, 56, 64, 72, 80 c.