Represent decimals to tenths less than one with area models. Convert between fraction, decimal, and unit form.
While “mathematicians and scientists often read 0.5 aloud as ‘zero point five’ or ‘point five,’” refrain from using this language until you are sure students have a strong sense of place value with decimals (NF Progression, p. 15).
If you need to adapt or shorten this lesson for remote learning, we suggest prioritizing Anchor Task 2 (benefits from worked example). Find more guidance on adapting our math curriculum for remote learning here.
Use what you notice in (a) to write a similar sentence that starts “1 one is the same as…”
Use what you just learned in (a) and (b) above to fill in the missing place value.
a. Imagine the following model as a zoomed-in ones cube. Partition and shade it to represent the following fractions.
i. 2 tenths
ii. 3 tenths
iii. 5 tenths
b. Fill out the following table.
|Unit Form||Fraction Form||Decimal Form|
Match each amount expressed in unit form to its fraction form and decimal form.
Grade 4 Mathematics > Module 6 > Topic A > Lesson 1 of the New York State Common Core Mathematics Curriculum from EngageNY and Great Minds. © 2015 Great Minds. Licensed by EngageNY of the New York State Education Department under the CC BY-NC-SA 3.0 US license. Accessed Dec. 2, 2016, 5:15 p.m..Modified by The Match Foundation, Inc.
Draw an area model to match the decimal.
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