Math Review

Which of the following is Rational?

• √52

• √18

• √64

• √15

Which of the following is Irrational?

• 1.83838383...

• 5/2

• √16

• √8

Tags

CCSS.8.NS.A.1

Which result will be Rational?

• 3.16 + π

• 2.6̅3 − √5

• √8 ⋅ √2

• √5 ⋅ √4

Tags

CCSS.7.NS.A.1D

Which number is Rational?

• 3 ∕ π

• √15 ∕ 6

• 5.249854116....

• 1.4545454545....

Tags

CCSS.8.NS.A.1

Which number is Rational?

• 3 ∕ π

• √15 ∕ 6

• 5.249854116....

• 1.4545454545....

How would you write 564,000,000 in scientific notation?

• 5.64 x 10^-7
• 5.64 x 10⁶
• 5.64 x 10⁸
• 56.4 x 10⁷

Tags

CCSS.8.EE.A.3

How do you write
1001
in scientific notation?

• 1.0001 x 10⁴
• 1.01 x 10⁵
• 1.001 x 10³
• 10.1 x 10³

Tags

CCSS.8.EE.A.3

Express the following in scientific notation:
.000457

• 457 x 10⁶
• 457 x 10^-6
• 4.57 x10⁴
• 4.57 x 10^-4

Tags

CCSS.8.EE.A.3

CCSS.8.EE.A.4

What is scientific notation?

• A long way to write really short  numbers
• A short way to write really long numbers
• I don't know...
• None of the above

Tags

CCSS.8.EE.A.3

UNDERSTANDING
If the exponent is a positive number...

• you will get a large number
• you will get a smaller number

Tags

CCSS.8.EE.A.1