
Share a story about something that happened to you or that you did over vacation involving math! (Remember: Math is everywhere!)
Justin Bar Graph loves math challenges. He says he can solve any problem that Jack Addition gives him. Jack is determind to find a tough one and come across the following problem (involving addition naturally): "How many addition signs should be put between the digits of the number 987654321 and where should they go to get a sum of 99?" Jack thinks they should estimate and Justin wants to try the guess and check method. Can you help them solve this problem?