Ben had 18 marbles and John had 17 marbles.
Ben gave half of his marbles to John.
How many more marbles did John have than Ben then?

Carey and Pat are moving chairs to the gym.
They agreed to move 74 chairs.
Carey moved 28 chairs.
Pat has moved 29 chairs.
How many more chairs do they have left to move?

Jean had a bag of candy.
She gave 18 pieces to her friend.
Jean ate 7 pieces.
Now she has 16 pieces left.
How many pieces of candy did Jean have at first?

William sells hot dogs at the ball park.
He sold 19 hot dogs during the first three innings.
He sold 27 hot dogs during the next three innings.
William had 45 hot dogs left to sell.
How many hot dogs did William have at first?

Charlene made 60 bead necklaces.
She sold 16 at a craft fair.
She gave 18 to her friends.
How many necklaces did Charlene have then?