Multiply by Multiples of 10

Multiple:
A multiple of a number is the product or answer of that number and any other whole number.

(In other words)

A multiple of a number is when you multiply a set number by other numbers.
EX: 2 x 1 = 2 2 x 2 = 4 2 x 3 = 6
      2 x 4 = 8 2 x 5 = 10 2 x 6 = 12
The multiples of 2 are the answers:
2, 4, 6, 8, 10, and 12

Multiplying with base ten blocks: 

Try these!

30 x 4=

70 x 4=

40 x 5=

How to multiply by multiples of 10:

 20       Step 1: Count the zeros (0)
x 6       Step 2: Put that many 0s in your 
----             answer
 120      Step 3: Multiply the remaining                           factors

Try these!
70 x 4=

30 x 8=

90 x 7=

80 x 3=

60 x 5= 

20 x 6=