Multiply and Divide Integers 3

Years

Year 9

Directed Numbers

Multiply and Divide Integers

Multiply and Divide Integers 3

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Question 1 of 4

1. Question
Evaluate

$- 16 \times - 2$ $-16 times -2$
- (32)
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Rules for Multiplying Integers

A negative multiplied by a negative equals a positive number

$- 16$ $-16$ $\times$ $times$ $- 2$ $-2$ $=$ $=$ $32$ $32$ Recall,

$32$ $32$
Question 2 of 4

2. Question
Evaluate

${(- 3)}^{2} \times (- 5)$ $(-3)^2 times (-5)$
- (-45)
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Rules for Multiplying Integers

A power indicates how many times a number is multiplied by itself.

In this case, we will be multiplying $- 3$ $-3$ by itself two times.

${(- 3)}^{2} \times (- 5)$ $(-3)^2 times (-5)$ $=$ $=$ $(- 3 \times - 3) \times (- 5)$ $(-3 times -3) times (-5)$

Now, multiply the first two values first.

A negative multiplied by a negative equals a positive number

$- 3 \times - 3$ $-3times-3$ $\times$ $times$ $- 5$ $-5$ $=$ $=$ $9$ $9$ $\times$ $times$ $- 5$ $-5$ Recall,

Finally, multiply the remaining values.

A positive multiplied by a negative equals a negative number

$9$ $9$ $\times$ $times$ $- 5$ $-5$ $=$ $=$ $- 45$ $-45$ Recall,

$- 45$ $-45$
Question 3 of 4

3. Question
Evaluate

$\frac{14}{- 2}$ $14/(-2)$
- (-7)
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Rules for Dividing Integers

A positive divided by a negative equals a negative number

$14$ $14$ $\div$ $divide$ $- 2$ $-2$ $=$ $=$ $- 7$ $-7$ Recall,

$- 7$ $-7$
Question 4 of 4

4. Question
Evaluate

$- 12 \div - 4$ $-12 divide -4$
- (3)
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Rules for Dividing Integers

A negative divided by a negative equals a positive number

$- 12$ $-12$ $\div$ $divide$ $- 4$ $-4$ $=$ $=$ $3$ $3$ Recall,

$3$ $3$

Multiply and Divide Integers 3

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Quiz summary

Information

1. Question

Hint

Excellent!

Rules for Multiplying Integers

2. Question

Hint

Well Done!

Rules for Multiplying Integers

3. Question

Hint

Great Work!

Rules for Dividing Integers

4. Question

Hint

Keep Going!

Rules for Dividing Integers

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