# 10 more or 10 less than a 2-digit number - 1st Grade

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For educators and homeschoolers searching for an efficient way to teach students about the concept of adding and subtracting 10, this 10 more or 10 less than a 2-digit number - 1st Grade resource is a valuable asset!

Designed with ease of use in mind, it offers no-prep worksheets, complemented by interactive teaching pages ideal for whiteboard-based lessons. This combination ensures pupils can mentally find 10 more or 10 less than a two-digit number, steering clear of tedious counting. Moreover, the materials help with the connection between numerical operations and the terms 'more' and 'less'.

This 10 more or 10 less than a 2-digit number - 1st Grade resource comes with 8 sets of worksheets!

The first two worksheet sets (Sets 1 & 2) use the familiar 100 Square. This approach lets students confirm their answers by merely shifting rows, facilitating an intuitive grasp of the subject. These sets incorporate twenty questions, either framed as "10 more or 10 less" inquiries or as equation-based challenges.

The subsequent four sets (Sets 3 – 6 ) emphasize Base 10 Blocks, offering a tangible visual aid to reinforce understanding. Each of these sets introduces eight equations, varying from adding to subtracting 10, or finding 10 more or less. Thus providing a total of 32 equations.

To test the waters without visual aids, Set 7 and Set 8 extend the challenge. While the seventh is direct, the eighth worksheet pushes students further by prompting them to discern the first addend when presented with the result.

A standout feature is the worksheet randomization. With a single click, educators can generate an entirely new set of questions, making it a renewable resource for the entire school year. Be it for classwork, revision, or homework, adaptability ensures students achieve proficiency in the topic.

Each worksheet concludes with an automatically generated answer key on its second page, offering a quick reference point for educators. And if there's ever a need for a last-minute lesson or work for a substitute teacher, these sheets are a reliable fallback.

The 10 more or 10 less than a 2-digit number - 1st Grade interactive teaching pages is an excellent fit for collective classroom exercises. These pages grant real-time feedback. Students can manipulate numbers on the 100 Square or employ Dienes/Base 10 Blocks, depending on the chosen module. The built-in calculator feature ensures answers are only a click away.

Lastly, it's essential to note that these resources can be downloaded as PDF documents. They operate seamlessly with the official Adobe Acrobat Reader on both Windows and Mac. Plus, the randomizing features are effortlessly accessible via touchscreen devices or interactive whiteboards.

## Resource Tags

math mental addition mental subtraction add 10 subtract 10 addition subtraction Jeff's Notebooks andd subtract 10 from a 2 digit number 1st grade number work

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