Unit 1 Assessment Readiness

A square on a large calendar has an area of 4,220 square millimeters. Between which two integers is the length of one side of the square?

• between 20 and 21 millimeters

• between 64 and 65 millimeters

• between 204 and 205 millimeters

• between 649 and 650 millimeters

Tags

CCSS.7.EE.B.3

Which of the following numbers is rational but NOT an integer?

• -9

• -4.3

• 0

• 3

Which statement is false?

• No integers are irrational numbers.

• All whole numbers are integers.

• All rational numbers are real numbers.

• All integers are whole numbers.

In 2011, the population of Laos was about 6.586 x 10⁶ people. What is this number written in standard notation?

• 6,586 people

• 658,600 people

• 6,586,000 people

• 65,860,000 people

Tags

CCSS.8.EE.A.3

Which of the following is NOT true?

Tags

CCSS.8.NS.A.2

Tags

CCSS.8.NS.A.2

Which of the following is the number 5.03 x 10^-5 written in standard form?

• 503,000

• 50,300,000

• 0.00503

• 0.0000503

Tags

CCSS.8.EE.A.3

In a recent year, about 20,700,000 passengers traveled by train in the United States. What is this number written in scientific notation?

• 2.07 x 10¹ passengers

• 2.07 x 10⁴ passengers

• 2.07 x 10⁷ passengers

• 2.07 x 10⁸ passengers

Tags

CCSS.8.EE.A.3

What is the value of the expression
8.3 x 10⁴ - 2.5 x 10³ - 1.9 x 10⁴
written in scientific notation?

• 3.9 x 10³

• 3.9 x 10⁴

• 6.15 x 10³

• 6.15 x 10⁴

Tags

CCSS.8.EE.A.4

What is the value of the expression
(2.3 x 10⁷) (1.4 x 10^-2)
written in scientific notation?

• 3.7 x 10^-14

• 3.7 x 10⁵

• 0.322 x 10⁶

• 3.22 x 10⁵

Tags

CCSS.8.EE.A.4