# Session 1:

Solve these without a calculator. What is 10 x 20?

• 10 x 20
• 22 x 30
• 68 x 70

Can you do each of these within 10 seconds?

Have you thought about doing this in multiple bites?

10 x 20

10 x 10 x 2

100 x 2

200

Check that your answer has blah.

Solve these without a calculator. What is 10 x 20?

• 10 x 20
• 22 x 30
• 68 x 70

Can you do each of these within 10 seconds?

Have you thought about doing this in multiple bites?

10 x 20

10 x 10 x 2

100 x 2

200

Check that your answer has blah.

Solve these without a calculator. What is 10 x 20?

• 10 x 20
• 22 x 30
• 68 x 70

Can you do each of these within 10 seconds?

Have you thought about doing this in multiple bites?

10 x 20

10 x 10 x 2

100 x 2

200

Check that your answer has blah.