Mental Math 1

Use mental math to multiply 150 x 20.

• 300

• 3,000

• 30,000

• 300,000

Use mental math to multiply 0 x 50 x 800

• 400,000

• 40,000

• 4,000

• 0

Use mental math to multiply 500 x 40.

• 2,000

• 20,000

• 200,000

• 2,000,000

Use mental math to multiply 120 x 50

• 6,000

• 60,000

• 600,000

• 600

Use mental math to multiply 60 x 70 x 1

• 420

• 420,000

• 4,200

• 4,300

Use mental math to multiply 9,000 x 80.

• 72,000

• 720,000

• 7,200

• 810,000

Use mental math to multiply 100 x 10 x 1.

• 100

• 2,000

• 1,000

• 10,000

Use mental math to multiply 30 x 20.

• 60

• 50

• 500

• 600

Use mental math to multiply 1,400 x 2,000

• 280,000

• 2,800,000

• 28,000

• 28,000,000

Use mental math to multiply 1,000 x 200 x 30

• 6,000,000

• 600,000

• 6,000

• 7,000,000