NUMERACY SKILL 2 WHAT MUST BE THE NUMBER?
Directions: Guess the number on the blank to make
the mathematical sentence true.
1)-5 + 6 + 2=
2) 30 - 3 (-1) =
3) -6 +6 (-1) - 10 =
4)2 ÷ 2 + 3(-2) =
5) 9 (-3) ÷ 9+3 =
please answer it
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Directions: Guess the number on the blank to make
the mathematical sentence true.
1)-5 + 6 + 2=
2) 30 - 3 (-1) =
3) -6 +6 (-1) - 10 =
4)2 ÷ 2 + 3(-2) =
5) 9 (-3) ÷ 9+3 =
please answer it
show solution
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DIRECTIONS:
Guess the number on the blank to make the mathematical sentence true.
ANSWERS:
1) -5 + 6 + 2 = 3
2) 30 - 3 (-1) = 33
• Multiplying a negative integer by another negative integer will result to a positive integer.
3) -6 + 6 (-1) - 10 = -22
• Multiplying a positive integer by a negative integer will result to a negative integer.
4) 2 ÷ 2 + 3 (-2) = -5
• Multiplying a positive integer by a negative integer will result to a negative integer.
5) 9 (-3) ÷ 9 + 3 = 0
• Multiplying and dividing a positive integer by a negative integer will result to a negative integer.
Note!
Always remember the PEMDAS/GEMDAS Rule in solving mathematical expressions.