Difficult

Adding and Subtracting Numbers up to 20 : Very Difficult Problems with Solutions

Problem 1
 


Problem 2
 


Problem 3
 


Problem 4
Iva had 8 books. She got 6 new books on her birthday. How many books does Iva have?
Problem 5
Ivan has 14 marbles and Tom has 8. How many marbles does Ivan have more than Tom?
Problem 6
(5 + 7) - 8 =
Problem 7
♥ + ♥ = 16
♥ + ♣ = 14
♣ =
Difficult
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