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Big Ideas Math: Modeling Real Life, Grade 7
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Big Ideas Math: Modeling Real Life, Grade 7 View details
2. Dividing Integers
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Exercise 20 Page 59

When dividing real numbers, the quotient will be positive if the signs are the same and it will be negative if the signs are different.

- 6

Practice makes perfect

We can treat the fraction as division. When dividing real numbers, the quotient will be positive if the signs are the same and it will be negative if the signs are different. cc Same Sign & Different Signs (+)÷(+)=(+) & (+)÷(-)=(-) (-)÷(-)=(+) & (-)÷(+)=(-)In our case the numerator is positive and the denominator is negative, so the quotient will be negative.

54/- 9
MoveNegDenomToFrac

Put minus sign in front of fraction

- 54/9
CalcQuot

Calculate quotient

- 6

We can verify this using a calculator.

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arrow_right Self-Assessment for Problem Solving p.58
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