1st grade math-2nd grade math

greater than or less than

10

40 is greater or less than 77

greater

20

20 is greater than or less than 22

less

counting on from teen numbers

10

7+12

19

20

19+1-2

19

tens and ones

10

8 tens 15 ones

 95

20

3 tens 18 ones 

48

addion

10

5+6 

11

20

7+4

11

doubles

10

10+10

20

20

2+2

4