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Add integers using the double sided counter.s

Add integers using the double sided counter.s

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### Transcript

• 2. Integers
-1
+1
• 3. Integers
What number does the picture below represent?
-6
• 4. Integers
What number does the picture below represent?
-9
• 5. Integers
What number does the picture below represent?
+4
• 6. Integers
Positive and negative numbers cancel each other.
0
+1+ (-1) =
• 7. Integers
+5 + (-5) =
0
• 8. Integers
+3 + (-3) =
0
• 9. Integers
What is the number sentence demonstrated in the picture?
0
+4+ (-4)=
• 10. Integers
What is the number sentence demonstrated in the picture?
-2
+2+ (-4) =
• 11. Integers
What is the number sentence demonstrated in the picture?
-1
+5+ (-6) =
• 12. Integers
What is the number sentence demonstrated in the picture?
+4
-3+ (+7)=
• 13. Integers
What is the number sentence demonstrated in the picture?
-6
-4+ (-2) =
• 14. Integers
And now try it yourself.
-5+(+6) =
or
-5+ 6 =
+1
• 15. Integers
And now try it yourself.
-1
-3+ 2 =
• 16. Integers
And now try it yourself.
+6
-4+(+10) =
• 17. Integers
And now try it yourself.
+7
10 + (-3) =
• 18. Integers
And now try it yourself.
-13
-10 + (-3) =
• 19. Integers
And now try it yourself.