LCM: Factor Trees, Numbers Up to 10

In this math instructional activity, learners learn to find common factors and common multiples for sets of numbers. First students circle the common factors they see in the examples given. Then learners list the factors and multiples...

Help young scientists connect with nature and learn about trees with a fun life science lesson. Heading out into the school yard, children choose a tree to adopt, taking measurements, writing descriptions, and drawing sketches of it in...

Challenge mathematicians to show what they know with a worksheet all about factoring. Scholars factor seven given numbers to identify which of the variety of choices does not belong. 

Prepare your classes for future work by reinforcing multiples and finding least common multiples. Learners see how to identify the least common multiple of a set of numbers. The instructor shows examples including a set of two and a set...

If your class has watched the Khan Academy video on recognizing divisibility, they will have a good foundation for this video on finding factors. Sal demonstrates how to find factors of a number by using the divisibility rules and...

Assist your students in understanding how to add fractions with like denominators by showing them this presentation. Sal adds 3/15 to 7/15 and then simplifies his answer. He uses drawings and multiple colors to show the actual process.

Greatest common factor, least common multiple, prime factorization, multiples, factors, oh my! The instructor in this video shows how to make different lists of factors to find the greatest common factor. So take a peak and see how to...

When one method isn't enough to teach GCF, try two! This interactive webpage introduces factors and the prime factor tree to find the greatest common factor of two numbers. After the lesson, have learners click to try the two examples...

With so many toppings to chose from, make the ice cream truck combinations a fun math problem that teaches your learners about outcomes. The video introduces a tree diagram that allows your mathematicians to see how to create...

Looking for a good presentation on multiples, least common multiples, and factoring? This one's for you! In it, youngsters are coached on the main techniques used in these mathematical processes. There are tons of practice opportunities,...