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Properties
Standard Algorithm
Powers
Mental math
100

3*5=5*3

What is the Commutative property?

100

40*50 = ?

What is 2000?


100

2 to the power of 4 

What is 16?

100

50*2

What is 100?

200

40*23=?

What is 920?

200

3 to the power of 5

What is 243?

200

30*4=?

What is 120?

300

44*11=?

What is 484?

300

 36897 to the power 0

What is 1?

300

40*10=?

What is 400?

400

91*321=?

What is 29211?

400

5 to the power 4

What is 625?

400

50*20=?

What is 1000?

500

321*456=?

What is 146376?

500

 31 to the power 2 

What is 961?

500

50*400=?

What is 20000?