7th Math Review - Part I

Which two answers can be eliminated right away?

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• 
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Which expression is equivalent to the one shown in the image?

• $6.3\times\left(-11.5\right)$

• $6.75\times\left(-11.5\right)$

• $6.25\times\left(-11.5\right)$

Tags

CCSS.7.NS.A.2A

When finding a solution for the inequality, the inequality symbol will "flip"?

• Yes, it will "flip"

• No, it will stay the same

Tags

CCSS.7.EE.B.4B

Which answer choices can be used to find the percent change?

•  $\frac{20-12}{20}\times100$  

•  $\frac{20-12}{12}\times100$  

•  $\frac{8}{20}=\frac{x}{100}$  

•  $\frac{8}{12}\times\frac{x}{100}$  

Tags

CCSS.6.RP.A.3C

Which proportion is correct?

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• 
• 

Tags

CCSS.HSG.SRT.A.2

Determine the value of x.

(a)  

Tags

CCSS.7.EE.B.4A

Which expression can be used to determine the number of hours that Andres will practice over 6 days?

• $2\left(1.1+1.3+2\right)$

• $6\left(1.1+1.3+2\right)$

• $2\left(1.5+1.75+2\right)$

Tags

CCSS.7.EE.B.3

What percentage of the land is used for corn?

•  $10\%$  

•  $20\%$  

•  $30\%$  

•  $40\%$  

Which proportion can be used to determine the number of acres used for corn?

•  $\frac{corn}{land}\ \frac{x}{48}=\frac{70\%}{100\%}$  
  

•  $\frac{corn}{land}\ \frac{x}{48}=\frac{30\%}{100\%}$  
  

Which equation is equivalent to the model?

• $x+6=9$

• $6x=9$

• $3x+6=9$

Tags

CCSS.HSA.CED.A.3