Spider Eye Fractions and Operations

The video tutorial explains that a common house spider has eight eyes. It discusses how to calculate the fraction of eyes looking at you when a spider uses its two front eyes and three other eyes. The tutorial includes visual evidence of spiders having eight eyes and demonstrates the process of adding fractions to find that 5/8 of the spider's eyes are looking at you.

How many eyes does a common house spider have?

• 6

• 10

• 12

• 8

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

If a spider is looking at you with its 2 front eyes, what fraction of its total eyes is that?

• 2/8

• 1/8

• 1/2

• 1/4

Tags

CCSS.RI.4.7

CCSS.RI.5.7

CCSS.RI.6.7

CCSS.RI.8.7

CCSS.RL.8.7

What is the purpose of showing pictures of spiders in the video?

• To compare sizes

• To show different species

• To confirm they have 8 eyes

• To show their habitat

How many of the spider's other eyes are looking at you in addition to the front eyes?

• 2

• 4

• 1

• 3

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What is the total fraction of eyes looking at you when combining the front and other eyes?

• 3/8

• 4/8

• 5/8

• 6/8

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What mathematical operation is used to find the total fraction of eyes looking at you?

• Addition

• Multiplication

• Division

• Subtraction

Tags

CCSS.1.NBT.A.1

How many eyes in total are looking at you according to the problem?

• 6

• 3

• 4

• 5

Tags

CCSS.1.G.A.3

What is the final fraction of the spider's eyes that are looking at you?

• 7/8

• 5/8

• 1/2

• 3/4

Tags

CCSS.1.G.A.3