What's next?
Break it Down
Mystery
Addition
Subtraction
100

What number comes after 12

13

100

16 is made of 10 and __?

6

100

Count on from 12 until 20.

..13, 14, 15, 16, 17, 18, 19, 20

100

1+10=

11

100

10-5=

5

200

What number comes after 18

19

200

18 is made of 10 and __

8

200

What number is always in the tens place when you write a teen number?

1

200

9+10=

19

200

10-2=

8

300

What numbers comes before 15

14

300

19 is made of 10 and __

9
300

Count by  10's to 100.

10 20 30 40 50 60 70 80 90 100

300
10+8=

18

300

13-10=

3

400

13+1=

14

400

A group of 10 and 7 make

17

400

Count backwards from 20 

20 19 18 .....
400

10+___=14

4

400

12-2=

10

500

What number is 2 more than 14

16

500

15 is made of a group of 5 and ___

10

500

How old is Ms. Kindle?

22

500

9+9=

18

500

I have 10 pieces of chocolate. Daniel steals 2 pieces. How many pieces do I have left?

8... and Daniel gets in trouble....