6th Envision Unit 3

Unit 3 Review

Let's See What You Have Learned.

https://www.youtube.com/watch?v=ttd_LSzk8mA

Vocabulary

• Base Numbers - The number multiplied by the exponent

• Exponent/Power - The number that tell how many times to multiply the base number

• Prime Numbers - A number with only itself and one as factors

• Composite Numbers -A number with more than two factors

Multiple Choice

 $\left(\frac{2}{3}\right)^3$  

• 2

• 8/27

• 6/3

• 2/3

Multiple Select

How can we write the prime factorization of 32. Choose all that apply.

• $2^5$

• $2\times2\times8$

• $3\times16$

• $2\times2\times2\times2\times2$

Multiple Choice

Cicadas emerge every 12 years and ants emerge every 8 years. The last time they emerged at the same time was 2020. Use the least common multiple to predict what year they will emerge at the same time again.

• 72 years

• The year 2044

• 96 Years

• The year 2186

More Vocabulary

• Variable - A symbol representing an unknown quantity

• Term - Each separated part in an expression

• Coefficient - The number multiplied by the variable

Multiple Choice

 $3m\div\frac{1}{3}$  

 $m\ =\ \frac{2}{5}$  

•  $\frac{6}{15}$  

•  $22\ \frac{1}{2}$  

•  $3\ \frac{3}{5}$  

Multiple Choice

Select the equivalent expression(s).

 $A.\ \ 8m-4$  
 $B.\ \ 4m$  
 $C.\ \ 4\left(2m-1\right)$  

• All of the above

• A and B
  

• B and C
  

• A and B

Poll

How much help do you think you need to get ready for the upcoming test?

• Nah, I am good.

• I think I am all right.

• I might need some help.

• I will take whatever I can get.