Mrs Rush was given a huge bag of tennis balls from her tennis club! We did a Maths investigation to find out how many there were. We worked out that it was tricky to count them all one by one as we might get mixed up or forget what number we got up to.
After talking about the problem we decided to put the balls into groups of ten. Everyone got to have a turn at making a group of ten. Some of us got two turns because there were so many balls. We learned about skip-counting in tens to work out how many balls there were. At the end we had one tennis ball left, which wasn't enough to make a group of ten.
There were 141 tennis balls altogether!
Mrs Rush emailed the other teachers to share the balls with them.