Friday, September 22, 2017

Tuesday, September 19, 2017

Review of Module 2 GCF and LCM

1) What is the GCF of 8 and 12?



2) What is the LCM of 8 and 12?



3) Ethan has 2 email accounts. He checks one of them every two hours. The other one he uses less often. He only checks it ever 24 hours. When is the first time he checks both of the accounts?




4) Ashley took 48 pictures of flowers and 36 pictures of beautiful scenery. She wants to display the pictures so there is the same number of each kind of picture in each display.
a. What is the greatest number of displays she can make? ________
b. How many pictures in each group are scenery?__________
c. How many pictures in each group are flowers?___________






5) Every 4th visitor to a museum gets a free bumper sticker. Every 10th visitor to a museum gets a free key chain. Which visitor each day will be the first one to get both the bumper sticker and the key chain?




6) Daniel has two email accounts. He checks one of them every two hours. The other one he uses left often. He only checks it every 24 hours. He checked each account on Monday at 2pm. When will he again check each account and at the same time?
a) Monday 2am b) Monday 2pm c) Tuesday 2am d) Tuesday 2pm




7) Mary Ann solved a problem by making these lists.
12: 24 36 48 (60)
15: 30 45 (60)
What type of problem was she solving?


8) Write the sum of the numbers as the product of their GCF and another sum.
18 + 63