We first learned to relate tenths and hundredths to decimals in 4th Grade Math 9.1 and 9.2, which are linked below. Thousandths are smaller parts than hundredths. Hundredths are smaller parts than tenths. If one hundredth is divided into 10 equal parts, each part will be one thousandth. Each place value position is 1/10 of the next larger place value to its left. This relationship is the same with decimals as it is with whole numbers. We can use our understanding of place-value patterns and a place-value chart to write decimals that are 10 times as much or are 1/10 of a decimal. We read a decimal by its last place value on the right. Placing more zeros to the right side of a decimal doesn't change the size of the shaded area of a model, but the size of the pieces represented are different. We use a number line to write the number for two points. We show a pattern of counting by thousandths, with zeros on the right of a decimal. We see how the decimal point hops to the left for each factor of 1/10. We also see how the decimal point hops to the right for each factor of 10. 4th Grade Math 6.3, Fractions in Simplest Form, a.k.a. Reducing
4th Grade Math 9.1, Relate Tenths and Decimals
4th Grade Math 9.2, Relate Hundredths and Decimals
4th Grade Math 9.3, Equivalent Fractions and Decimals
5th Grade Math Playlist
I'm using the Houghton Mifflin Go Math!
2015 copyright textbook for this playlist.
You can practice online using the textbook's website
YouTube rating for JoAnn's School videos:
L0 - No strong language
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S0 - No sexual situations
V0 - Not violent or disturbing
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