Number Theory

A natural number that possesses exactly two different factors, itself and 1, is called a ________ number.

• Prime

• Composite

• Odd

• Even

Tags

CCSS.4.OA.B.4

The numbers 0, 1, 2, 3, ... are called

• whole numbers
• integers
• rational numbers
• natural numbers

-10 is a whole number

• True
• False

Tags

CCSS.6.NS.C.6

0.8 is a rational number

• True
• False

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

Classify the Number: -23

• Rational
• Real, rational, integer
• integer
• Real, irrational, whole

Tags

CCSS.6.NS.C.6

CCSS.6.NS.C.5

A rational number can be written as a fraction.

• True
• False

Tags

CCSS.3.OA.D.9

What kind of number is 3/4?

• rational, integer
• whole only
• integer only
• rational only

Tags

CCSS.8.NS.A.1

integers are denoted by ______

• N

• I

• Z

• E

Which of these are an example of a whole number

• 22/7

• 16

• -20

• 3.5

Tags

CCSS.2.MD.B.6

What is the HCF of 16 and 32 ?

• 2

• 16

• 32

• 8

Tags

CCSS.6.NS.B.4