A Fresh Look ~ Sieve Factors and Multiples to Find GCF and LCM

You might think this is a trick ~

It isn’t!

Teach students to sift numbers in search of GCFs or LCMs.

Start with the most likely candidates.

Ask questions to test each factor or multiple.

Find GCFs and LCMs faster than ever.

Students gain confidence and understanding.

This sieve helps students make sense of GCFs and LCMs.

Download Colorful Collections:
A Mindful Exploration of Proper Fractions

Help your students make sense of fractions.

I started teaching in 1987, which means I’ve collected many tips and tricks along the way.  In this ebook, I share concepts, strategies, and classroom materials to help you make math sticky.

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All the best!

Isabelle

Isabelle Hoag M. Ed.