Topic 2: Real Numbers review

Which numbers are rational numbers?

• -4.56

• 13.9835...

• 64

• 2/3

• π (pi)

Whole numbers are _______________ rational.

• always

• sometimes

• never

An example of a whole number is______.

• -9

• 4.3

• 8

• 3/5

Which is a perfect square?

• √35

• √4

• √76

• √32

Check the imperfect squares.

• √9

• √110

• √3

• √225

• √90

What two perfect squares does the √128 fall between?

• √121 and √144

• √127 and √129

• √12 and √13

What two whole number side lengths does the √41 fall between?

• 5 and 6

• 6 and 7

• 7 and 8

• 40 and 42

What is the approximate side length of √10?

• 100

• 3.1

• 3.2

Which value best represents point B on the numberline?

• $\sqrt{6}$

• $-\sqrt{6}$

The √40 is between which two consecutive whole numbers?

• 7 & 8
• 4 & 5
• 5 & 6
• 6 & 7

Tags

CCSS.8.NS.A.2