Show:
teen numbers
draw counters
subtracting/adding
fill in the missing number
write numbers
100

write the number nineteen. 

19

100

draw counters to represent 12. 

. . . . .      . . 

. . . . . 

100

4+3=

7

100

10 ___ 12 ___ 13 ___ 15 ___

10 11 12 13 14 15 16

100

write the numbers 1-10

1 2 3 4 5 6 7 8 9 10

200

write the number fifteen. 

15

200

draw counters to represent the number 20. 

. . . . .        . . . . . 

. . . . .        . . . . . 

200
8-2=

6

200

7 __ __ 10 11 __ 13

7 8 9 10 11 12 13 

200

write the numbers 11-20

11 12 13 14 15 16 17 18 19 20 

300

write the number twelve. 

12

300

draw counters to represent the number 15. 

. . . . .     . . . . . 

. . . . . 

300

2+2=

4

300

12 __ 14 __ __ __ 18 __

12 13 14 15 16 17 18 19 

300

what comes next in the pattern 

A B A B A B ___ ___ 

A B 

400

write the number fourteen. 

14

400

draw counters to represent the number 17. 

. . . . .       . . . . . 

. . . . .        . . 

400

7-0=

7

400

10 __ __ __ 14 15 16 __

10 11 12 13 14 15 16 17 

400

what comes next in the pattern

A B B A B B A ___ ___

B B 

500

write the number eleven. 

11

500

draw counters to represent 11. 

. . . . .       .

. . . . . 

500

10-7=

3

500

15 __ __ 18 __ __

15 16 17 18 19 20 

500

what comes next in the pattern 

A B C A B C A ___ ___

B C