Numbers

 $2\sqrt{3}+\ \sqrt{3}$  is equal to 

•  $2\sqrt{6}$  

• 6

•  $3\sqrt{3}$  

•  $4\sqrt{6}$  

 $\sqrt{10}\ \times\sqrt{5}$  is equal to

•  $\sqrt{15}$  

•  $\sqrt{150}$  

•  $\sqrt{50}$  

• 5

Tags

CCSS.6.EE.A.3

CCSS.6.EE.A.4

What is the best classification for this number?  
π

• integer
• rational
• irrational
• imaginary

Tags

CCSS.HSN.RN.B.3

What is the best classification for this number?  .78787878...

• integer
• rational
• irrational
• whole

Tags

CCSS.6.NS.C.6

Classify the number (choose all that apply):

• natural number

• whole number

• integer

• rational number

• irrational number

Tags

CCSS.6.NS.C.6

Which number has a factor of 16?

• 258

• 112

• 596

• 452

Tags

CCSS.4.OA.B.4

Which number has 215 as one of its multiples?

• 40

• 15

• 43

• 25

Tags

CCSS.4.OA.B.4

The Lowest Common Multiple (LCM) of 24 and 60 is:

• 90

• 120

• 30

• 10

Express 60 as a product of its prime factors.

• $4\ \times\ 15$
  

• $2^3\ \times\ 3^2$

• $\sqrt{9}\ \times\ \sqrt{16}\ \times\ \sqrt{25}$

• $2^2\ \times\ 3\ \times\ 5$

• $3600^{\frac{1}{2}}$

Find the Highest Common Factor (HCF) of 60 and 150.

• 15

• 6

• 10

• 60

• 30