GCF & LCM
NS.4
Get Ready Activity
How Many Hot Dogs and Buns Should He Buy?
- How many packages of hot dogs and hot dog buns should he purchase so that there are no extra hot dogs or hot dog buns?
https://youtu.be/tmlx8Tktg1Q
Use the hot dog and bun cut outs to help solve the problems below.
2, 3, 5, 7, 11, 13, 17, 19
Station #1 - Prime Factorization Tree - #01
Prime Factorization Game
Start with one number, then try 2 numbers!
Prime Factorization Activity Page
Write the missing numbers in the blank shapes. Rewrite your answers using exponents.
Station #2 - GCF & LCM Sum 'Em - #02
1) Students work on the 4 cards with the same symbol. Use large whiteboard to work out problems together as a group.
2) Add up the answers.
3) Submit answers to Google Form to check if you are correct.
4) If submission does not work, redo the 4 problems to find the mistake!
5) Resubmit your answer.
6) Complete all 8 symbol sets.
Station #3 - GCF & LCM Task Cards - #03
1) Compete the 12 tasks cards attached below with a partner.
2) Show work by using the Venn Diagram strategy for ALL problems on activity page.
3) Turn into basket.
Station #4 - Buzz Math - GCF & LCM - #04
Buzz Math - Complete the assigned lessons. May use whiteboard to solve problems.
1) Understanding GCF and LCM
2) Greatest Common Factor
3) Least Common Multiple
4) Greatest Common Factor and Least Common Multiple
5) Solving LCM and GCF Problems
EXTRA... EXTRA
Challenge
GCF & LCM Venn Diagram Mysteries - Challenge
See directions below to solve the Mysteries.
Bonus
GCF & LCM Puzzle - Bonus
Get puzzle paper from teacher. Cut apart the squares and paste back together. Turn into teacher for candy :)