Addition and subtraction word problems to 20

1. 1.
   Sam has 18 books and Ben has 9. How many more does Sam have?
2. 2.
   There were 15 stickers on the table. 7 fell off. How many are left?
3. 3.
   Leo had 12 cards and gave 1 to Zoe. How many cards does Leo have now?
4. 4.
   Zoe found 5 books on Monday and 2 on Tuesday. How many books in total?
5. 5.
   Max has 13 shells and Leo has 4. How many more does Max have?
6. 6.
   Ivy has 10 shells and Ben gives Ivy 8 more. How many shells does Ivy have now?
7. 7.
   Mia found 6 cards on Monday and 7 on Tuesday. How many cards in total?
8. 8.
   There are 18 shells in one box and 2 in another. How many shells altogether?
9. 9.
   There are 10 books in one box and 2 in another. How many books altogether?
10. 10.
    Ben has 18 coins and Max gives Ben 1 more. How many coins does Ben have now?
11. 11.
    Ivy found 15 balloons on Monday and 2 on Tuesday. How many balloons in total?
12. 12.
    There were 20 stickers on the table. 1 fell off. How many are left?
13. 13.
    There were 3 balloons on the table. 2 fell off. How many are left?
14. 14.
    Ben has 18 stickers and Leo gives Ben 1 more. How many stickers does Ben have now?
15. 15.
    There are 16 stickers in one box and 4 in another. How many stickers altogether?
16. 16.
    Sam had 20 stickers and gave 7 to Leo. How many stickers does Sam have now?
17. 17.
    There are 3 shells in one box and 8 in another. How many shells altogether?
18. 18.
    Mia has 8 marbles and Sam gives Mia 6 more. How many marbles does Mia have now?
19. 19.
    There were 12 balloons on the table. 11 fell off. How many are left?
20. 20.
    There are 3 coins in one box and 12 in another. How many coins altogether?

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