Multiplying by Multiples of 10, 100, 1000

I can count it with blocks

500

6 X 10

60

500

4 X 10

40

500

3 X 10

30

500

2 X 100

200

500

5 X 100

500

Decade Numbers

500

3 X 30

90

500

3 X 40

120

500

9 X 50

450

500

7 X 20

140

500

30 x 4

120

100s and 1000s

500

60 x 9

540

500

4 x 700

2,800

500

9 x 6,000

54,000

500

900 x 3

2,700

500

500 x 5

2,500

Fill in the Blank

500

57x20 = 57x2x___

What is 10?

500

___ x 4000 = 160000

What is 40?

500

10 x ___ = 150

What is 15?

500

23x30=__x3x10

What is 23?

500

20 x ___ = 2000

What is 100?

My Favorite Mistake

500

What mistake did this student make?

20x12=120

What is they multiplied by ten instead of twenty?

500

What mistake did this student make?

10 x 140 = 150

What is adding instead of multiplying?

500

What mistake did this student make?

10x25=150

What is they multiplied by 6 instead of 10?

500

What mistake did this student make?

80x30=240

What is they have the wrong number of zeros?

500

What mistake did this student make?

30x3=60

What is they added instead of multiplying?