Counting by tens

10 __ 30 40 50

100 ___ 120 130 140

90 ___ 110 120

What’s after the number 30 in tens?

• 10

• 20

• 40

• 50

Do you like counting by tens?

• Yes

• No

23 __ 43 53

What’s after the number 901 in tens

• 1001

• 910

• 672

• 1010

What’s after 1000 in tens

• 10010

• 1467

• 9192

• 10020

89 __ 109 119

• 82

• 100

• 99

• 98

9010 ____ 9030