I did this with my grade 3/4 class at the beginning of last school year. It worked really well for that age group and will work well for grade 5’s too.
New to Mystery Numbers? Click the main headings for information.
The Numbers: By the way, I added a prep step. I didn’t simply provide my students with a list of numbers. I typed them up, printed and cut them out. This helped several of my students needing adaptations. It made it much easier for sorting.
5,000
1980
42
143
5,373
1
24,170,000
760
300,000
715,000,000
km
dollars
participants
sites
days
starting date
* some units need to be used more than once!
Expert Source: By the way, I gave all students access to this link because I had a reading and research objective as well. My squirrelly class was very intensely focused for this step. They were to find and record extra information to give each unit even more meaning. For example, it is useful to know that 42 goes with km, but it becomes even more meaningful when you know that Terry Fox ran 42 km EVERY DAY!
Enjoy!
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