Post on 01-Apr-2015
SubtractingIntegers
Integers
-1
+1
IntegersPositive and negative numbers cancel each other.
+1+ (-1) =
0
IntegersWhat number do I have on the screen now?
0
Went dancing
Went out to dinner
Went to the
movies
Went to the beach
Went hiking
Integers
SUBTRACT!!!!
+2 (-4) = +6
I need to take away 4 negative counters, but I do
not have any negative counters!!! How can I take away something I do not
have?!?!
Integers
SUBTRACT!!!!
+3 +6
(-3) =
Integers
SUBTRACT!!!!
+1 +3
(-2) =
Integers
Please use your counters!
-4 -6(+2) =
Integers
Please use your counters!
-3 -6(+3) =
Integers
Please use your counters.
-2 +3
(-5) =
IntegersAnd now try it yourself.
When you see the number sentence, please arrange the counters on your desk, raise your hand and be ready to answer.
-5 - (+6) =or
-5 - 6 =
-11
IntegersAnd now try it yourself.
When you see the number sentence, please arrange the counters on your desk, raise your hand and be ready to answer.
-5 – (-6) =+1
IntegersAnd now try it yourself.
When you see the number sentence, please arrange the counters on your desk, raise your hand and be ready to answer.
-3 - 2 = -5
IntegersAnd now try it yourself.
When you see the number sentence, please arrange the counters on your desk, raise your hand and be ready to answer.
-3 – (-2) = -1
IntegersAnd now try it yourself.
When you see the number sentence, please arrange the counters on your desk, raise your hand and be ready to answer.
-4 - (+10) = -14
IntegersAnd now try it yourself.
When you see the number sentence, please arrange the counters on your desk, raise your hand and be ready to answer.
-4 - (-10) = +6
IntegersAnd now try it yourself.
When you see the number sentence, please arrange the counters on your desk, raise your hand and be ready to answer.
10 - (-3) = +13
IntegersAnd now try it yourself.
When you see the number sentence, please arrange the counters on your desk, raise your hand and be ready to answer.
10 – (+3) = +7
IntegersAnd now try it yourself.
When you see the number sentence, please arrange the counters on your desk, raise your hand and be ready to answer.
+4 – (-6) = +10
IntegersAnd now try it yourself.
When you see the number sentence, please arrange the counters on your desk, raise your hand and be ready to answer.
+4 – (+6) = -2
IntegersAnd now try it yourself.
When you see the number sentence, please arrange the counters on your desk, raise your hand and be ready to answer.
+5 - (-5) = +10
And now…let’s practice on the
paper
Use your counters!
Your Topic Goes HereYour subtopic goes here
Elementswww.animationfactory.com