Exercise 1
Learn to add Digit "9 & 10" t0 numbers between 20 and 30.
If you are proficient in adding the numbers up to 20 with no mistakes then you are ready to do this exercise.
20 + 10 =
22 + 10 =
25 + 9 =
27 + 9 =
29 + 9 =
21 + 10 =
23 + 10 =
26 + 10 =
Name: ________________________________Date: _____________________
Exercise 2
.
30 + 9 =
29 + 10 =
25 + 9 =
24 + 9 =
21 + 10 =
20 + 10 =
22 + 9 =
Name: ________________________________Date: _____________________
Exercise 3
30 + 1 =
29 + 9 =
25 + 10 =
24 + 9 =
21 + 10 =
20 + 9 =
22 + 10 =
Name: ________________________________Date: _____________________
Exercise 4
30 + 9 =
29 + 10 =
25 + 9 =
28 + 9 =
20 + 10 =
22 + 9 =
24 + 10 =
21 + 9 =
Name: ________________________________Date: _____________________