Composing and Decomposing Fractions

What does the denominator represent in a fraction? 

• The number of shaded pieces. 

• The number of total pieces.

• The area of the square. 

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What is a unit fraction? 

• A unit fraction is one piece of the whole. Numerator=1 and denominator=the number of total pieces. 

• A unit fraction is all of the pieces together. Numerator is the same as the denominator. 

• A unit fraction equals 0. The numerator=0 and the denominator=the number of total pieces

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2A

What are the unit fractions we will use to decompose 4/6? 

• 2/6

• 4/6

• 1/6

• 6/6

Tags

CCSS.4.NF.B.3B

Why is the denominator 6 for this fraction ? 

• There are 6 pieces that make up the whole.

• 6 is her favorite number.

•  because 3 + 3 = 6

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What is the unit fraction for this problem? 

• 4/8

• 1/8

• 8/8

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2A