2020-21 Comparing Unlike Denominators FA

 $\$  Which fractional part of a circle is less than  $\frac{1}{3}$ ?

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Tags

CCSS.4.NF.A.2

 $\frac{5}{12}\ \circ\ \ \frac{3}{6}$  

Which of the following will make the number sentence true?

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• <

• =

• cannot compare

 $\frac{2}{3}\ >\ ?$  

Which of the following fractions will make the number sentence true?

•  $\frac{9}{12}$  

•  $\frac{8}{9}$  

•  $\frac{3}{6}$  

•  $\frac{15}{18}$  

Tags

CCSS.4.NF.A.2

Mrs. Chastain has 10 different kinds of coffee at home. This set is made up of three different kinds.

1/3  of the coffees are from Columbia

4/5  of the coffees are from Kenya
1/8  of the coffees are from Costa Rica

Which comparison is true about Mrs. Chastain's coffees?

•  $\frac{1}{3}<\frac{1}{8}$  

•  $\frac{4}{5}<\frac{1}{3}$  

•  $\frac{1}{8}>\frac{4}{5}$  

•  $\frac{1}{3\ }<\frac{4}{5}$  

 $\frac{3}{5}>\frac{6}{15}$  

Deven makes the above comparison.  How should you respond to Deven?

• You're correct.  3/5 is equivalent to 9/15. This is greater than 6/15.

• You're correct.  3/5 is equivalent to 6/10. This is greater than 6/15.

• I disagree.  When you create an equivalent fraction for 3/5, you get 6/15.  These fractions are equal in size.

• I disagree.  When you create an equivalent fraction for 6/15 you get a fraction smaller than 3/5.

Tags

CCSS.4.NF.A.2