8th U5L2 - Intro to Functions

A function means that every ​ (a)   has exactly ​one ​ (b)   .

• input
• output

Tags

CCSS.8.F.A.1

A function means that the output _____________ on the input.

• Depends

• Does not depend

• Adds

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Organize these options into the right categories

Groups:

(a) Function

,

(b) Not a Function

• Input is Grade Number, Output is Letter Grade

• Input is Height, Output is Age

• Input is Birthday, Output is Age

• Input is Grade Number, Output is Number of Classes Attended in Zoom

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

For a rule, the input is a word and the output is a word that starts with the same letter.

If the input is GREEN, what is the output?

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

A rule says: the input is a word and the output is a word that starts with the same letter. Is this a function?

• Yes, its a function. For every input, there is exactly one output.

• No its not a function. For every input, there can be multiple outputs.

Tags

CCSS.8.F.A.1

A rule says: The input is a word and the output is a word that starts with the same letter.

The output (a)   on the input.​

• does not depend
• depends

Tags

CCSS.RF.3.3B

CCSS.RF.3.3C

CCSS.RF.3.3D

CCSS.RF.4.3A

CCSS.RF.5.3A

A rule says: the input is a word and the output is the last letter of the word.

If the input is SCHOOL, what is the output?

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

A rule says: the input is a word and the output is the last letter of the word.

• Yes, its a function. For every input, there is exactly one output.

• No its not a function. For every input, there can be multiple outputs.

Tags

CCSS.8.F.A.1

A rule says: the input is a word and the output is the last letter of the word.

The output ​ (a)   on the input.

• depends
• does not depend

Tags

CCSS.L.1.5A

CCSS.L.1.5B

CCSS.L.K.5A

If the input is 5, what is the output?

• 10

• 8

• 13

• 16

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1