Neumann: Absolute Value

Number Lines: What do you know?

Labelling

Label the points -8 and 8 on the number line. If I asked you to walk from -8 to zero, and then asked you to walk from 8 to 0, which distance would be farther?

Drag labels to their correct position on the image

-8

8

Absolute Value

How far of a walk is it to get to zero?
Absolute value is indicated by 2 straight lines... |-2| or |4|
|-2| is the absolute value of -2. How far of a walk is it from -2 to zero?
|4| is the absolute value of 4. How far of a walk is it from 4 to zero?

Drag and Drop

ABSOLUTE VALUE

The absolute value of a number is the ​

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it is from zero on a number line.

Absolute value is always a ​

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number because it is talking about distance. You can't travel a negative distance.

|-5| is read... ​

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What does |-2| equal ? ​

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What does |3| equal? ​

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Drag these tiles and drop them in the correct blank above

distance

positive

the absolute value of negative 5

2

3

negative

-2

-3

Labelling

Use the number line to place each number in its correct location.

Drag labels to their correct position on the image

|-9|

|6|

-6

-10

-3

|-3|

OPPOSITES

This is NOT the same as absolute value

Draw

Plot a point on the number line so that the two points combine to make zero.

Open Ended

Write another real-life example so that when combined with the statement below it makes zero:

"Thirty-five dollars is deposited into your bank account."

Draw

Use your understanding of opposites and absolute value to complete the table.

Draw

Use the clues to determine where points A, B, C and D would go on the number line.

Open Ended

What if the negative sign is outside the absolute value like -|7| ?

What would the answer be if the question was -|-5| ?

Explain what we just learned/talked about below in your own words...

Open Ended

Nikki says that any number and its absolute value will combine to make zero. Explain why Nikki is incorrect.

Open Ended

Summarize all that you have learned today.