Need more practice adding and subtracting 10’s and 100’s? Students will add or subtract 10 or 100 from 2 and 3 digit numbers. The set includes a completed 100’s chart as well as a fill-in-the-blank 100’s chart. Use for students that need the visual representation. 5 Worksheets have riddles for students to solve by correctly completing the computations.

This is mental math strategies, so I love to have my students race to finish first! Worksheets are also great for extra practice as homework assignments. My students’ parents have even expressed excitement over the solving riddles at home!

Don’t want to print? Students may now complete this assignment as an EASEL activity!**

Here’s What’s included:

Page 1 Fill in the Blank 100’s Chart

Page 2 Add 10’s and 100’s

Page 3 Subtract 10’s and 100’s

Page 4 Add and Subtract 10’s and 100’s

Page 5 Add and Subtract 10’s and 100’s Using Models

Page 6 Add and Subtract 10’s and 100’s to Complete Patterns

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Here’s what TEACHERS LIKE YOU are saying about WORKSHEETS w/ RIDDLES:

⭐️⭐️⭐️⭐️⭐️ Heather J. said: Students loved having a reason to come up with answers, and I heard them sharing the riddles with other classes later that day.

⭐️⭐️⭐️⭐️⭐️ Rachael K. said: My kids begged me to do these, thanks so much for making math fun!

⭐️⭐️⭐️⭐️⭐️ Tracy S. said: These sheets are great! I have had a student for 9 yrs. (going on 10) and it’s tough finding new materials to keep her challenged and engaged. These were perfect! Thank you!

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Other great resources from The Teacher Down the Hall:

Math Bingo Games.

Google Interactive Classroom.

BOOM Cards.

Task Cards.

Worksheets w/ Riddles.

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