What Is A Friendly Number
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Friendly numbers
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Making friendly numbers
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Finding friendly numbers
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Using Friendly Numbers: An Addition Strategy - Shelley Gray

Friendly Number Line to 1000 by Kristen Sweeny's Math Class | TpT

Number Talks with Friendly Numbers by Teach Good Stuff | TPT

Making Friendly Numbers - Maths Clubs
First Grade Wow: Friendly Numbers, Number Vines, and Fairy Tale Day!

Friendly Number Strategy - YouTube

Finding Friendly Numbers - YouTube

Developing Our MathMINDs—Week 2: A Glossary for New Math Teachers
First Grade Wow: Friendly Numbers, Number Vines, and Fairy Tale Day!