add within 20
sub within 20
skip count
word problem
??
100

20+3

23

100

20-9

11

100

count by 2 to 20 

2,4,6,8,10,12,14,16,18,20

100

Tim has 10 cookies He gives Sam 5 how many cookies does he have?

5 cookies

100

55+61

116

200

17+15

32

200

17-10

7

200

count by 5 to 100

5,10,15,20,25,30,35,40,45,50,55,60,65,70,75,80,85,90,95,100

200

Julie has 7 dimes Pepper give her 10 more dimes how many dimes does Julie have in total?

17 Dimes 

200

71+88

159

300

18+10

28

300

10-9

1

300

Count by 10 to 100

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

300

Zara Has 14 cake pops she eats 7 cake pops how many does she have left?

7 cake pops 

300

65+99

164

400

15+9

24

400

19-10

9

400

Find the Mistake 

44,46,48,49,50,52,54,56,58

44,46,48,49,50,52,54,56,58

49...

400

kate has 20 balls she gets 15 more balls how many balls does she have in total?

35

400

89+67

156

500
16+7

23

500

20-18

2

500

Find the Mistake?

55,60,65,70,71,75,80,85,90,95,100

71

500

Cat has 20 stickers she gives 14 away how many does she keep?

6

500

69+69

138