$10+34-30$10+34−30
Which story matches the number sentence?
Bill has $10$10 marbles, his friend Tom gives him $30$30 marbles, and Bill then gives $34$34 marbles to Sally.
There are $10$10 pigeons in a park, $34$34 more pigeons fly in to the park, and then $30$30 fly away.
There are $10$10 people working in a supermarket, $34$34 people leave the supermarket over the next hour and $30$30 people enter.
How many pigeons are still in the park?
Goose's Gags and Gifts wanted to work out how much stock they had after a day of sales.
They started the day with $38$38 gags and $22$22 gifts, and sold a combined total of $23$23 gags and gifts over the course of the day.
It is Irene's birthday, and she blows up $8$8 balloons. If she gives $1$1 to her younger brother, and accidentally lets go of $2$2 of them, how many balloons does she have left?
When Dylan arrives at his local sports centre, he finds that there are $32$32 tennis balls, $3$3 basket balls and $4$4 soccer balls available for him to make use of.
How many balls are available in total?