Mental Math

 $10^2\div\frac{1}{10}\ =?$  

• 1

• 10

• 100

• 1000

 $\frac{1.5}{3}\div?=5$  

• 0.1

• 1

• 10

• 5

There are 12 bags. Each bag has 150 oranges in it. The total number of oranges in greater than 1800.

• TRUE

• FALSE

What is one third of 18?

• 12

• 6

• 8

• 9

Convert to a fraction in simplest form 0.14

• $\frac{7}{50}$

• $\frac{14}{100}$

• $\frac{14}{1000}$

• $\frac{7}{25}$

9 divided by 0.3

• 3

• 30

• 0.27

• 90

 $0.25\div\frac{1}{4}$  

• 1

• 0.25

• 1/4

• 10

 $\frac{6}{5}+\frac{7}{25}$  

• 2

•  $1\frac{7}{25}$  

•  $1\frac{13}{15}$  

• 3

 $2X+9=21.9\$  

• 6.25

• 6.45

• 5.95

• 6.35

2 numbers have a sum of 17 and a product of 16. What are they?

Put your answer in this way: a,b

(a)