Semester 1 Review Part I

Which of the following is equivalent to 10^-2?

• 
  

  $\frac{1}{10^{-2}}$

• -0.01

• 0.002

• $\frac{1}{100}$

Tags

CCSS.8.EE.A.1

Which of the number is greatest?

• 5.01 x 10⁴

• 4.21 x 10⁵

• 4.01 x 10⁵

• 4.1 x 10⁴

Tags

CCSS.8.EE.A.3

Which of the following is NOT true?

• $10^{-3\ }=\ 0.0001$
  

• $\frac{1}{1000}\ =\ 10^{-3}$

• $10^{-4}\ =\ \frac{1}{10^4}$

• $10^{3\ }=\ 1000$

Tags

CCSS.8.EE.A.1

Which of the following number is between 1/8 and 13%?

• .120

• .125

• .128

• .130

Of the following numbers, which one is the smallest number?

• $\frac{7}{8}$

• $\frac{23}{25}$

• 80%

• 0.75

The Bakery Shop has a large variety of cupcakes. The shop has 1/3 chocolate and 1/5 vanilla. What percent of their cupcakes are neither chocolate or vanilla?

• $\frac{1}{2}$

• $\frac{7}{15}$

• $\frac{8}{15}$

• $\frac{2}{3}$

Abby needs sugar to make cookies. She buys a bag of sugar for $5.50. Each bag contains 12 cups of sugar. If each batch of cookies uses 2 1/4 cup of sugar, what is the cost of sugar for each batch of cookies Abby will make?

• $0.46

• $1.03

• $1.10

• $1.15

Tags

CCSS.7.RP.A.1

Evaluate the Expression: (-x- 2y) - x when x=-5 and y=3

• -16

• 4

• -4

• -6

Tags

CCSS.6.EE.A.2C

If r = 2, then what is

 $r^2-\left(r-10\right)+4r?$  

• 4

• -12

• -20

• 20

Tags

CCSS.6.EE.A.2C

Which expression best represents the model in the picture?

• 2x - 4

• 2x + 4

• -2x - 4

• - 2x + 4

Tags

CCSS.6.EE.B.6