How to multiply and divide by 10 and 100 using place value grid
For example, dividing a three digit number by 10 means simply moving all three digits one column to the right. Multiplying by 100 would mean moving the digits two columns to the left. A Year 4 Third Space Learning lesson going through how to use place value grids.
How do you multiply by 10 100 on place value
Teaching points
Teaching point 1: To multiply a number by 10/100/1,000, move the digits one/two/three places to the left; to divide a number by 10/100/1,000, move the digits one/two/three places to the right.
What does it mean to multiply by 10 100 or 1000
When we multiply by 10, which has one zero, we add one zero to the end of our whole number. When we multiply a whole number times 100, which has two zeros, we add two zeros for hundreds. And for thousands, when we multiply by 1000, we'll add three zeros to the end of a whole number.
How do you multiply by 10 100 and 1000 examples
Multiplication examples:
To multiply by 10, move the digits to the left by one place. To multiply by 100, move the digits to the left by two places. Don't forget to put a zero in the units if needed. To multiply by 1000, move the digits to the left by three places.
How to divide by 10 100 and 1000
If the number ends if we're dividing by 10 and the number ends in zeros we can take off one zero. If we're dividing by 100. And the number ends in at least two zeros we can just take off two zeros.
How do you divide by 10 100 and 1000 whole numbers
Rules: To divide by 10, move each figure one place to the right. To divide by 100, move each figure two places to the right. To divide by 1000, move each figure three places to the right.
What is multiplying by 10 100 and 1000
So we know if we want to multiply a number by 10, we shift the digits one place to the left. To multiply by 100 is the same as shifting the digits two places to the left. And to multiply by 1,000 is the same as shifting the digits three places to the left.
How do you multiply decimals by 10 100 and 1000
By thousand the decimal point shifts. Three places to the right. Does. Three point one four six in two thousand is equal to three thousand one hundred forty.
What is the method of multiplying decimals by 10 100 and 1000
Point three places to the right. One two three and we can dump those place holding zeros at the beginning. So we've got our answer 3.68. First you do the multiplication.
How do you divide a number by 10 100 1000
And the remaining digits formed the quotient.
How do you multiply decimals by 10 100 or 1000
It by 100 100 has two zeros we need to move the decimal. Point two places to the right. One two five hundred and twenty four point eight.
