Understanding Fraction Subtraction with Pattern Blocks

The video tutorial explains how to subtract fractions using pattern blocks. It demonstrates representing two-thirds and one-sixth with blue and green blocks, respectively. By exchanging blocks, the video shows how to simplify the subtraction of one-sixth from two-thirds, resulting in three-sixths or one-half. An alternative method using overlaying blocks is also presented to visualize the subtraction process.

What is the initial problem discussed in the video?

• Multiplying fractions using pattern blocks

• Adding fractions using pattern blocks

• Subtracting two-thirds from one-sixth

• Subtracting one-sixth from two-thirds

Tags

CCSS.2.G.A.3

How is two-thirds represented using pattern blocks?

• One red pattern block

• Two green pattern blocks

• Three green pattern blocks

• Two blue pattern blocks

Tags

CCSS.4.NF.B.3A

What exchange is necessary to perform the subtraction of one-sixth from two-thirds?

• Exchange three green blocks for one red block

• Exchange one red block for two blue blocks

• Exchange two green blocks for one blue block

• Exchange one blue block for one green block

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the result of subtracting one-sixth from two-thirds after performing the exchange?

• Four-sixths

• One-third

• Two-sixths

• Three-sixths

How can the difference of three-sixths be further simplified?

• One-third

• One-sixth

• One-half

• Two-thirds

What common factor is used to simplify three-sixths?

• Six

• Two

• Three

• Four

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

How is the subtraction problem rewritten using equivalent fractions?

• Four-sixths minus one-sixth

• Two-thirds minus one-third

• Three-sixths minus one-sixth

• One-half minus one-sixth

Tags

CCSS.5.NBT.B.7

What is the alternative method shown for visualizing the subtraction?

• Using a number line

• Drawing a diagram

• Overlaying a green block on blue blocks

• Using a pie chart

Tags

CCSS.2.G.A.3

What does the blue region represent after overlaying the green block?

• One-third

• One-sixth

• Two-thirds

• One-half

Tags

CCSS.4.NF.B.3A

What is the purpose of using pattern blocks in this tutorial?

• To divide fractions

• To add fractions

• To visualize fraction subtraction

• To multiply fractions

Tags

CCSS.4.NF.B.3A