1. =

4. 4 2 2
4 5 5
2 2
3 3
1 3 3
1 2 2

5. Mixed numbers like 1 1 2 can be decomposed into their individual parts.=
1 2
1 2
1 2
1 2
= = 3 2

6. ≠ 3 1 2
= 2 1 2 ≠

7. Now I have 2 + 2 2 . I can easily subtract 1 2 .
I’ll cut just one cookie making
two halves.
I need to subtract
3 =
Mom says I can eat the cookies if I give my sister of a cookie.
cookies
Now I have I can easily subtract

8. = =
1 2
1 2
2 1 2

9. I will decompose one of the wholes into 4 4 .
2 1 4 = = =
1 4
1 4
1 4
1 4
I need to subtract from I need to decompose into more pieces.
I will decompose one of the wholes into =
= 1 4
1 3 4
1 4

10. I need to decompose one of the wholes into 3 3 .
I need to subtract = =
I need to decompose one of the wholes into
1 3
1 3
1 3
1 2 3