Numeracy Activity Mental Math A. Perform the indicated operation.
1. -23 + (-12)=
2.12 - (-5) =
3. (-23) - (-10) =
4. 48 + (-22)
5. (-9) + 8 = B.
Recall the rules in multiplying and dividing integers.
1. (-7) (4)
2. (12) (8)
3. (-7) (-6)
4. (-75) = (-15)
5. (-36) = (4)
1. -23 + (-12)=
2.12 - (-5) =
3. (-23) - (-10) =
4. 48 + (-22)
5. (-9) + 8 = B.
Recall the rules in multiplying and dividing integers.
1. (-7) (4)
2. (12) (8)
3. (-7) (-6)
4. (-75) = (-15)
5. (-36) = (4)
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Answer:
A.
1. -35
2. 17
3. -13
4. 26
5. -1
B.
1. -28
2. 96
3. 42
4. 5
5. -9
Step-by-step explanation:
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