Integers Review
Presentation
•
Mathematics
•
1st - 7th Grade
•
Medium
Standards-aligned
Aysh Heneghan
Used 21+ times
FREE Resource
5 Slides • 7 Questions
1
Integers Review
2
Remember you have a cheat sheet in your notes!
Multiply and Divide with negatives
one negative = negative answer
two negatives = positive answer
if lots of negatives count them, odd negatives are negative answer and even negatives are positive
3
Multiple Choice
(-6)x(-6) =
-36
36
12
-12
4
Multiple Choice
Alex thinks that if you multiply a negative and a positive that you will get a negative answer ALWAYS! His friend Tyler said he was wrong and the sign in your answer depends on how big and small the numbers are. Who is CORRECT?
Alex
Tyler
5
Multiple Choice
Liz said that multiplying 2 negative numbers will give you a positive answer. Her friend Heather said that was the weirdest thing ever and that your answer is going to be negative. Who is right?
Liz
Heather
6
Remember you have a cheat sheet in your notes!
Add with negatives
Same Sign: Add the absolute values (no negatives) then keep the sign
Different Signs: Subtract the absolute value (biggest minus smallest) and keep the sign of the bigger number
7
Multiple Choice
-10 + 4
-14
14
-6
6
8
Multiple Choice
-20 + (-11)
31
9
-9
-31
9
Remember you have a cheat sheet in your notes!
Subtract with negatives
Do not subtract with negatives, instead use KEEP CHANGE CHANGE
KEEP the first number
CHANGE subtraction to addition
CHANGE the sign of the second number (positives become negative and negatives become positive.
10
Multiple Choice
(-58) - (-5) =
+63
-53
+53
-63
11
Multiple Choice
(-51) - (+4) =
-49
+55
-55
+49
12
Hopefully you remember all your integer rules. If not ask for help and keep practicing!
Integers Review
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