Numerical Expressions

Which is the prime factorization of 81?

• $1\times81$

• $3\times27$

• $9\times9$

• $3\times3\times3\times3$

True or False :

 $2\times3\times4$  is the prime factorization of 24

• True

• False

Which of the given numbers equals

 $2^5\times3^2$  

• 90

• 192

• 240

• 288

What is the correct expression for

the PRODUCT of ten and eleven

• 10 + 11

• 11 - 10

• 10 x 11

What is the correct expression for:

the SUM of fifteen and six

• 15 - 6

• 6 + 15

• 15 x 6

Tags

CCSS.2.NBT.B.5

CCSS.2.NBT.B.6

CCSS.2.OA.A.1

Simplify the following expression:

5 - 6² ÷ 4 - 3

• 1

• -10.75

• -31

• -7

Evaluate the following expression:

7[12 − (6 − 2) ÷ 4]

• 7

• 77

• 14

• 0