Addition or Subtraction ?

Naty made 11 cookies. She gave away 4 of them. How many cookies did Naty have left?

• 11 + 4

• 11 - 4

Juan has a bag of 12 cherries and Elias has 2 cherries, How many cherries do Juan and Elias have together?

• 12 + 2

• 12 - 2

Ricardo has 19 marbles, and Valeria has 7 marbles. How many more marbles does Ricardo have than Valeria?

• 19 + 7

• 19 - 7

Juliana and Sara are sisters, Juliana is 34 years old and Sara 23 years old. What is the difference of age between them ?

• 34 + 24

• 34 - 24

Maria brought 4 s'mores and Sofia 3 donuts, How many treats did they bring altogether?

• 4 + 4

• 4 - 3

I had 15 coins and then my mom add 3 more. How many coins do I have now?

• 15 + 3

• 15 -3

Last night , my mom left 50 pieces of bread on the picnic table. This morning, there were only 24 pieces. How many pieces of bread were eaten by the birds?

• 50 + 24

• 50 - 24