Divisibility Rules!
When thinking about something that I struggled with math growing up, I immediately thought of the ability to do quick mental math. This is a skill that people use for the rest of their lives whether it be trying to divide a whole into groups, paying a tip in a restaurant, or modify the measurements in a recipe. Mental math is something that gets better over time and practice. Luckily, there are also some tricks that we can learn to help us!
2→ A number is divisible by 2 if the number ends in an even number (0,2,4,6,8)
3→ A number is divisible by 3 if the sum of the digits is divisible by 3
4→ A number is divisible by 4 if the last two digits are divisible by 4
5→ A number is divisible by 5 if the last digit is either a 0 or a 5
6→ A number is divisible by 6 if it is divisible by 2 and divisible by 3
9→ A number is divisible by 9 if the sum of the digits are divisible by 9
10→ A number is divisible by 10 if the last number is a 0
There is a great worksheet that I found on education.com
I also found this great video explaining divisibility tricks that you https://www.youtube.com/watch?v=Y1pAKJ4rf-M
Freddie , I liked how you connected a subject that your struggled with in school and presented different tricks and a worksheet that can help a student learn about division from a different perspective. I liked how you broke down the tips and gave a brief explanation. I like that the worksheet has multiple ways for students to learn about the subject of division. I do think it is beneficial to have multiple sections to a worksheet to meet the needs of all the students to grasp the information in different ways. Great Job Freddie!
ReplyDeleteHi Freddie, you found a perfect activity and video. Your worksheet and video reinforce division tricks. Some students may require a visual aid to help them understand the divisibility rules that you listed above. I wish I found this video when I was tutoring. It definitely would have been beneficial for my student. Most students have a harder time comprehending and visualizing division than multiplication. Once again great job!
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