Mental Math

30 x 7 =?

• 37

• 210

• 270

• 370

How many minutes are there in one hour and a half?

• 60

• 70

• 80

• 90

600 - 320

• 300

• 270

• 370

• 230

What is fifty percent of 300?

• 100

• 50

• 150

• 200

What is the value of √9?

• 3

• 9

• 1

• 6

How many meters are there in 2.5 kilometers?

• 2000

• 250

• 2.5

• 2,500

Name this shape.

• pentagon

• septagon

• hexagon

• nanogon

Convert 10 cm to mm

• 100 mm

• 1000 mm

• 1 mm

• 10 mm

Name this shape.

• square based prism

• triangular pyramid

• triangular prism

• rectangular pyramid

What type of angle is this? 

• acute
• obtuse
• right