2nd grade math word problems

Jimmy had 15 marbles. He bought 7 more. How many marbles does he have now?

There were 13 sharks in a tank. Mark put some more sharks in the tank. Then there were 20 sharks in the tank. How many fish did Mark put in the tank?

Jen had some stickers. Her sister gave her 9 more. Then she had 11 stickers. How many stickers did she have to begin with?

Beth had some baseball cards. Her dad gave her 13 more. Then she had 33 baseball cards. How many cards did she have before?

There were 5 tulips in the garden. Some more tulips grew. Then there were 12 tulips. How many tulips grew?

There were 14 pieces of gum in Lyndsey's backpack. She gave 6 of them to her friends. How many pieces of gum are left?

There were 10 spoons in the drawer. People used some of them. Then there was 4 left. How many spoons got used?

There was some chocolates in a box. Claire ate 16 of the chocolates. There were 25 chocolates left in the box. How many chocolates were there to begin with?

Barb had 8 bottles of nail polish. she used up some of them. There were 4 bottles left. How many did she use up?

Ben had some pieces of sidewalk chalk. He lost 5 of the pieces. Then he had 3 left. How many pieces of chalk did Ben have before?