Multiplying and Dividing Decimals

When multiplying decimal values by 10, 100, 1000, count the zeroes then shift the decimal in your answer to the right.
When dividing decimal values by 10, 100, 1000, count the zeroes then shift the decimal in your answer to the left.
When multiplying decimal values by 0.1, 0.01, 0.001, count the zeroes and shift the decimal in your answer to the left.

Decimal Arithmetic

Please see the video below for a detailed explanation about decimal arithmetic:

https://www.youtube.com/watch?v=kwh4SD1ToFc

Rounding Decimals

Please review the video below for tips on rounding whole number and decimal values:
https://www.youtube.com/watch?v=fd-E18EqSVk

Remember: 4 and below, round down
5 and above, round up

Comparing Decimals

Decimals

Today we discussed decimals which represent parts of a whole. See the link below for a place value explanation of decimals.

https://www.youtube.com/watch?v=KG6ILNOiMgM

Students are strongly encouraged to use place value charts (which they were provided with) as they continue to familiarize themselves with decimal numbers and values.