For a moment I thought this was a doctor who thing. Like how the hell did all these get here? <-- I did the same thing.<I thought the last line or two would be something about silence falling

Tally mark math games - frugal too! Like dominoes. Learn to recognise numbers

Little Minds at Work: I love this idea of using die cut hands to work on addition and subtraction. Love this idea for some of my kids that have to use their fingers

Students will choose a popsicle stick, solve the math problem, and then "stack" it with the stick that has the right answer in the blue circle on the end. They then solve that problem, find the next matching stick, and so on. A true long-form activity that will allow you a bit of time to set up a new lesson, watch without interfering, or just take a breather from the chaos that is elementary school for a minute.