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MULTIPLYING
INTEGERS
• You can use positive and negative counters
to model the multiplication of integers.
• The counter represents 1, and
• the counter represents -1.
• Remember that multiplication means
repeated addition.
These counters
represent -2
This counters
represent -6
-
- -
--
Write a multiplication sentence that
describes the model above
-
-
-
-2 x -6 = 12
- X - = +
NOTE
+ X + = +
LETS DO THESE :
1. 4 X 4 =
2. -9 X -8 =
3. -3 X -5 =
4. 5 X 3 =
5. -11 X -8 =
6. -10 X - 7 =
7. -6 X -6 =
8. 4 X 5 =
CLASSWORK
LETS DO THESE :
1. 9 X 4 =
2. -2 X -8 =
3. -6 X -5 =
4. 4 X 3 =
5. - 7 X -8 =
6.-11 X - 7 =
7. -4 X -6 =
8. 7 X 5 =

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Multiplying intergers

  • 2. • You can use positive and negative counters to model the multiplication of integers. • The counter represents 1, and • the counter represents -1. • Remember that multiplication means repeated addition.
  • 3. These counters represent -2 This counters represent -6 - - - -- Write a multiplication sentence that describes the model above - - - -2 x -6 = 12
  • 4. - X - = + NOTE + X + = +
  • 5. LETS DO THESE : 1. 4 X 4 = 2. -9 X -8 = 3. -3 X -5 = 4. 5 X 3 = 5. -11 X -8 = 6. -10 X - 7 = 7. -6 X -6 = 8. 4 X 5 =
  • 6. CLASSWORK LETS DO THESE : 1. 9 X 4 = 2. -2 X -8 = 3. -6 X -5 = 4. 4 X 3 = 5. - 7 X -8 = 6.-11 X - 7 = 7. -4 X -6 = 8. 7 X 5 =