Unit 1 L1-7 Review 8th Grade Lenard

Which of the following numbers is irrational?

• √8
• ¾
• 2
• -1.325

Tags

CCSS.8.NS.A.1

Which of the following is rational?

• .211232112421125. . . .
• π
• √25
• √12

Convert 0.444... to a fraction.

• 4/10
• 4.4/99
• 4/9
• 2/5

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

The √40 is between which two consecutive whole numbers?

• 7 & 8
• 4 & 5
• 5 & 6
• 6 & 7

Tags

CCSS.8.NS.A.2

How would you write 4.3756 x 10⁴ in standard form?

(a)  

How would you write 0.0005 in scientific notation?

• 50 x 10^-5

• 5 x 10^-4

• 5 x 10³

• .5 x 10³

How would you write -5.6 x 10^-3 in standard form?

(a)  

Scientific Notation is made up of two number parts. The first part should be a number between 1 and 100.

• True
• False

Tags

CCSS.8.EE.A.3

Scientific Notation is made up of two number parts. The second part is a power 10.

• True

• False

Tags

CCSS.8.EE.A.3

Which of the following numbers is written in scientific notation?

• 20.35 x 10⁴

• .2035 x 10⁴

• 2035 ⁴

• 2.035 x10⁴

Tags

CCSS.8.EE.A.3