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WHAT ARE WE
TALKING
ABOUT TODAY
WHAT DO
THE WORDS
SAY?
What are these
words talking
about?
POSITIVE
& NEGATIVE
NUMBERS
Negative
numbers have
a value smaller
than 0.
Negative numbers are
written with a minus
sign in front of the
number. You will use
the word “negative” to
name the minus ...
Positive
numbers have
a value greater
than 0.
Positive numbers can be
written with a plus sign in
front of the number. However
you do not have to use any
sign and can n...
Integers can
describe
situations using
keywords
+ -
Write as many words for each as you can!
•My mom gave me $5.
•I lost the $5 my mom gave me.
•The mountain is 5 miles above
sea level.
•After lunch the temperature
...
Which situation would represented by
a negative integer?
a. A mountain climber descended 50
feet.
b. The price of the bike...
Representing integers
Representing integers
Representing integers
Representing integers
Representing integers
Representing integers
Representing integers
Representing integers
Representing integers
Representing integers
Representing integers
Representing integers
Representing integers
Representing integers
Representing integers
Representing integers
Representing integers
Representing integers
Representing integers
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Representing integers

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The goal of this presentation is to get students to think before being told. I hope they will look at these pictures and notice the up/down, increase/decrease, positive/negative of a situation and be able to quickly and easily write an integer to represent the scenario.

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Representing integers

  1. 1. WHAT ARE WE TALKING ABOUT TODAY
  2. 2. WHAT DO THE WORDS SAY?
  3. 3. What are these words talking about?
  4. 4. POSITIVE & NEGATIVE NUMBERS
  5. 5. Negative numbers have a value smaller than 0.
  6. 6. Negative numbers are written with a minus sign in front of the number. You will use the word “negative” to name the minus sign.
  7. 7. Positive numbers have a value greater than 0.
  8. 8. Positive numbers can be written with a plus sign in front of the number. However you do not have to use any sign and can name the integer by speaking the number without saying the word “positive”.
  9. 9. Integers can describe situations using keywords
  10. 10. + - Write as many words for each as you can!
  11. 11. •My mom gave me $5. •I lost the $5 my mom gave me. •The mountain is 5 miles above sea level. •After lunch the temperature dropped 15 degrees.
  12. 12. Which situation would represented by a negative integer? a. A mountain climber descended 50 feet. b. The price of the bike increased $100. c. Jimmy Sue won $50. d. The elevator went up 5 floors.

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