count by 1s

23 , 24 ,..........,...............,.........

• 25,27,29

• 25,26,27

• 23,35,56

skip count by 10s

10 , .........,...........,........

• 45,44,43

• 11,12,13

• 20,30,40

skip count by 10s

35 , 45 , ...... ,......

• 55 , 65

• 36 , 37

• 46 , 47

skip count by 1s

78,...........,80

• 81

• 78

• 79

skip count by 10s

61 , 71 , .......... ,.............

• 70,69

• 81,91

• 72,73

add

4 + 5 = .........

• 9

• 8

• 6

How many shells in all?

• 55

• 34

• 43

• 56

• 33

• 43

• 108

• 117

• 100

• 58

• 89

• 70