TEKS.MATH.7.3A

9/1

• 1
• 9
• 0
• 10

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TEKS.MATH.7.3A

When multiplying or dividing a NEGATIVE and NEGATIVE number your result will be...

• POSITIVE
• NEGATIVE
• DEPENDS ON WHICH NUMBER IS LARGER.

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TEKS.MATH.7.3A

Find the equivalent expression.

9 x 9 x 9 x 9 x 9

• 9⁵
• 9¹⁵
• 9 x 5
• 9 + 9 + 9 + 9+ 9

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TEKS.MATH.7.3A

What is the value of -3y - 9 if y = -8?

• 15
• -15
• 14
• -14

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TEKS.MATH.7.3A

Simplify the complex fraction shown.

• 9/40
• 40/9
• 10/36
• 5/18

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TEKS.MATH.7.3A

x⁸ / x²

• x⁴
• x¹⁶
• x^-6
• x⁶

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TEKS.MATH.7.3A

Brynlee is selling pies for a band fundraiser.  They make $5.50 profit for every pie they sell.  How many must they sell in order to make a profit of at least $100?

• 19 pies
• 18 pies
• 550 pies
• 100 pies

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TEKS.MATH.7.3A

When I add two integers with the same sign, my sum is:

• The opposite of the sign I am using.
• The same sign I am using.

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TEKS.MATH.7.3A

One of Ms. W's students were working on a homework problem:
 $-2\left(8-10\right)^2+4\div-6$  

They showed their work
 $-2\left(-2\right)^2+4\ \div-6$  
 $-2\left(-4\right)+3\div-6$  
 $8+3\div-6$  
 $8+-\frac{1}{2}$  
 $=\ 7\ \frac{1}{2}$  

Can you identify the mistake?

• It was an order of operations mistake in step 3

• It was a multiplication mistake with the exponent in step 2

• The student made a simple subtraction error in step 1

• It was a division mistake in step 4

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TEKS.MATH.7.3A

 $\left(-5\right)-\left(-5\right)-\left(-7\right)$  

•  $-17$  

•  $3$  

•  $7$  

•  $-3$  

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TEKS.MATH.7.3A