counting by 10s
counting on
how many?
missing number
greater than/less than
100
When counting by 10s, what number comes after 10?

20

100
Start at 5 and count to 10

5,6,7,8,9,10

100

How many circles are there?

OOOOO

5

100

What number is missing?

5, 6, _____, 8

7

100

Which number is greater? 12 or 26?

26

200

Count by 10s to 30

10,20,30

200

Start at 20 and count to 30

20,21,22,23,24,25,26,27,28,29,30

200

How many are there?

OOOOO        OOOOO

OOOOO

15

200

What number is missing?


10, 11, 12, _____, 14

13

200

Which number is less than 80?

A.30

B. 90

C. 100

A. 30

300

Count by 10s to 50

10,20,30,40,50

300

Start at 15 and count to 20

15,16,17,18,19,20

300

How many?

OOOOO

OOOOO

10

300

What number is missing?

35, 36, 37, 38, _____,40

39

300

Which number is greater?


46 or 94

94

400

Count by 10s to 80

10,20,30,40,50,60,70,80

400

Start at 85 and count to 90

85,86,87,88,89,90

400

How many?

OOOOO        OOOOO

OOOOO        OO

17

400

What number is missing?

93, 94, 95, ____, 97

96

400

Which number is less than the other?


78 or 100?

78

500

Count by 10s to 100

10,20,30,40,50,60,70,80,90,100

500

start at 90 and count to 100

91,92,93,94,95,96,97,98,99,100

500

How many?

OOOOO    OOOOO

OOOOO    OOOOO

20

500

What number is missing?

10, 20, 30, 40, 50, 60, _____, 80

70

500

Which number is greater?

55 or 55?

Trick question! Equal too!!