Division, decimals by 10

Question 1

To divide a decimal number by 10, you do this…

Answer 1

Move the decimal point one place to the left. Put in a zero if necessary.

Question 2

0.35 ÷ 10

Answer 2

0.035

(It may be acceptable to put “.035” instead of “0.035” but it is best practice to put a “0” before the decimal point for decimal values less than 1. The leading “0” helps to make the decimal point more noticeable.)

Question 3

250. ÷ 10

Answer 3

25. 0

25. 0 is equal to 25, but the 0 to the right of the decimal point is important when dealing with significant digits.

Question 4

250 ÷ 10

Answer 4

25

(Note that in this case, the “0” is simply removed. This is because there was no decimal point in the original problem. In other words, if there is a decimal point, move the decimal point and keep the “0”. If there is no decimal point and the last digit is “0”, simply remove the last “0”.)