Show:
Count by 10s
Count by 5s
Adding 10
Subtracting 10
100
Finish the pattern 10, 20, 30, ___, ____
40, 50
100
Finish the pattern 5, 10, 15, ___, ____
20, 25
100

30+10=

40


100

30-10=

20

200
Finish the pattern 30, 40, 50, ___, ____
60, 70
200
Finish the pattern 10, 15, 20, ___, ____
25, 30
200

40+20=

60

200

40-10=

30

300
Finish the pattern 20, 30, 40, ___, ____
50, 60
300
Finish pattern 35, 40, 45, ___, ____
50, 55
300

50+40=

90

300

60-20=

40