1st 6 Weeks 8th Math Review

Which best decribes an irrational number?

• Any number that can be expresses as a fraction.

• A number that is a non-terminating, non-repeating decimal.

• A positive or negative whole number.

• The square root of any whole number.

To which real number set do the following real numbers belong?

• Irrational Numbers

• Natural Numbers

• Rational Numbers

• Integers

Tags

CCSS.HSN.RN.B.3

How do you write the standard number 0.00095 in scientific notation?

• 9.5 x 10^-3

• 9.5 x 10^-5

• 9.5 x 10^-4

• 9.5 x 10^-6

Tags

CCSS.8.EE.A.3

Write the standard number 6,267,000 in scientific notation.

• 62.67 x 10⁶

• 6.267 x 10⁶

• 6.267 x 10⁴

• 6.267 x 10⁷

Tags

CCSS.8.EE.A.3

How do you write 8.7 x 10^-1 in standard form?

• 0.87

• 8.7

• 87

• 0.087

Tags

CCSS.6.EE.A.1

Which of the following has the greatest value?

• 3.5 x 10⁴

• 2.1 x 10⁶

• 7.2 x 10⁷

• 9.9 x 10⁵

Tags

CCSS.6.EE.A.1

CCSS.6.NS.C.7

Which statement is correct?

• All integers are rational numbers.

• All irrational numbers are whole numbers

• A real number must be a rational number.

• A repeating decimal is an irrational number.

Tags

CCSS.HSN.RN.B.3

Solve:
7x + 19 = -2x + 55

• 4
• 14.8
• 8.2
• -4

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

Which of these shows the numbers in order from greatest to least?

• -2.65, -1.43, 0.16, 0.10, 0.07
• 0.16, 0.10, 0.07, -1.43, -2.65
• 0.16, 0.10, 0.07, -2.65, -1.43
• -2.65, -1.43, 0.07, 0.10, 0.16

Tags

CCSS.5.NBT.A.3

Write 7.8 x 10^-3  in standard form.

• 0.0078
• 7,800
• 78
• 0.078

Tags

CCSS.6.EE.A.1