Main Idea NGSSS Key Concept Divide Integers with

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Main Idea NGSSS Key Concept: Divide Integers with Different Signs Example 1: Divide Integers

Main Idea NGSSS Key Concept: Divide Integers with Different Signs Example 1: Divide Integers with Different Signs Example 2: Divide Integers with Different Signs Key Concept: Divide Integers with the Same Sign Example 3: Divide Integers with the Same Sign Example 4: Divide Integers with the Same Sign Example 5: Real-World Example Five-Minute Check

• Use the rules for dividing integers.

• Use the rules for dividing integers.

MA. 7. A. 3. 1 Use and justify the rules for adding, subtracting, multiplying,

MA. 7. A. 3. 1 Use and justify the rules for adding, subtracting, multiplying, dividing, and finding the absolute value of integers. Also addresses MA. 7. A. 3. 2.

Divide Integers with Different Signs Find 51 ÷ (– 3) = – 17 Answer:

Divide Integers with Different Signs Find 51 ÷ (– 3) = – 17 Answer: – 17 The integers have different signs. The quotient is negative.

Find 169 ÷ (– 13). A. 156 B. 13 C. – 13 D. –

Find 169 ÷ (– 13). A. 156 B. 13 C. – 13 D. – 156

Divide Integers with Different Signs Find . The integers have different signs. The quotient

Divide Integers with Different Signs Find . The integers have different signs. The quotient is negative. Answer: – 11

A. 31 B. 17 C. – 17 D. – 31

A. 31 B. 17 C. – 17 D. – 31

Divide Integers with the Same Sign Find – 12 ÷ (– 2) = 6

Divide Integers with the Same Sign Find – 12 ÷ (– 2) = 6 Answer: 6 The integers have the same sign. The quotient is positive.

Find – 32 ÷ (– 8). A. – 40 B. – 4 C. 4

Find – 32 ÷ (– 8). A. – 40 B. – 4 C. 4 D. 40

Divide Integers with the Same Sign ALGEBRA Evaluate – 18 ÷ x if x

Divide Integers with the Same Sign ALGEBRA Evaluate – 18 ÷ x if x = – 2. – 18 ÷ x = – 18 ÷ – 2 =9 Replace x with – 2. Divide. The quotient is positive. Answer: The solution is 9.

Evaluate – 54 ÷ x if x = – 6. A. – 60 B.

Evaluate – 54 ÷ x if x = – 6. A. – 60 B. – 9 C. 9 D. 48

FINANCIAL LITERACY An October newspaper headline read that the total value of stocks held

FINANCIAL LITERACY An October newspaper headline read that the total value of stocks held by Japanese financial institutions dropped from $987 billion to $900 billion in 6 weeks. What was the average change in value per week? Y is the value of the stocks after 6 weeks, X is the initial value of the stocks. Divide. Answer: The average change in value was –$14. 5 billion per week.

TEMPERATURE The temperature in Miami was 82ºF at 9: 00 A. M. Four hours

TEMPERATURE The temperature in Miami was 82ºF at 9: 00 A. M. Four hours later the temperature was 94ºF. What was the average change in temperature per hour? A. – 3ºF B. 3ºF C. 4ºF D. 12ºF

Find 64 ÷ (– 8). A. 56 B. 8 C. – 8 D. –

Find 64 ÷ (– 8). A. 56 B. 8 C. – 8 D. – 56

Find A. 116 B. 30 C. – 30 D. – 116 .

Find A. 116 B. 30 C. – 30 D. – 116 .

Evaluate A. B. 6 C. D. – 6 if a = – 3 and

Evaluate A. B. 6 C. D. – 6 if a = – 3 and b = 7.

Evaluate A. 14 B. 6 C. D. – 6 if b = 7 and

Evaluate A. 14 B. 6 C. D. – 6 if b = 7 and c = 2.

Evaluate A. B. 3 C. – 3 D. – 11 if a = –

Evaluate A. B. 3 C. – 3 D. – 11 if a = – 3 and c = 2.

Stock prices fell 250 points one day and 60 points the next day. Find

Stock prices fell 250 points one day and 60 points the next day. Find the average change in stock prices over the two days. A. – 155 B. – 95 C. 95 D. 115

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