Factors of 100 – Patterns with Arrays, Factors and Multiples Unit 4.OA.B.4
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- If you're looking for a way to take kids from concrete to abstract thinking, Factors of 100 and Divisibility Rules is the way to go. Students are reminded that math is a language that can explain what they are seeing. Teaching these units consecutively gives students a solid background with patternsPrice $8.95Original Price $11.45Save $2.50
Description
Factors of 100 is a week-long unit that creates a natural bridge from building arrays to establishing patterns with factors and multiples on a 100s table. Students are motivated to find all the factor pairs, as they self-check their work and make corrections, all the while noticing patterns within the table. It's a nice lead-in to division and fractions.
There is built-in homework, computation practice, class discussions, and a final written assessment. It's a good beginning of the year reminder or pre-assessment for 5th & 6th grades, as they articulate the patterns found in the tables.
The unit includes arrays, factor pairs, proper factors, square numbers, prime, composite, abundant, deficient & perfect numbers, as well as multiples.
You will find extensive teaching notes, answer keys, and ideas for uses beyond the initial unit, such as LCM and GCF.
I've used it annually, at the beginning of the year, with my 6th graders as a refresher/reminder of all the pattern connections and vocabulary. I've also used parts of it with high 3rd graders who enjoyed the challenge of figuring out the patterns. The final product makes a year-long reference tool.
CCSS Math 4.OA.B.4, MP1
This unit is also part of the product, Factors of 100 Unit & Using Divisibility Rules Bundle which includes Multiples of 11, a fun extension activity looking for patterns in the multiples of 11.
You might also be interested in my Crack the Code puzzles. These activities offer a fun way to practice a variety of math skills while solving for various quotes.
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