Glow Day Number Detective

Grade Levels
1st - 2nd
Resource Type
Formats Included
  • PDF
27 pages
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My blog post for this product can be found here.

I used this for a GLOW day and it includes addition and subtraction within 100 no regrouping. I let students use highlighters and it looks amazing with the black lights!! There are 10 cases in all, a certificate (b&w option and color), as well as an answer key.

If you have ANY questions or concerns please email me at I am a very fast responder. (:

Total Pages
27 pages
Answer Key
Teaching Duration
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to see state-specific standards (only available in the US).
Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.


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