Greatest common factor, least common multiple

Answer Key - Grade 6 Math Worksheet - Challenge Me

Circle the best answer, or write your answer on the line.

1. 1.

   Bo helps pack 84 notebooks and 60 folders into identical supply kits, with nothing left over. What is the greatest number of kits Bo can make?

   12
2. 2.

   Esme has 90 red ribbons and 75 blue ribbons for gift bags. Every bag gets the same number of each color, with none left over. What is the greatest number of bags Esme can fill?

   15
3. 3.

   Jun has 72 star stickers and 90 heart stickers. Jun fills identical goodie bags with nothing left over. What is the greatest number of bags Jun can fill?

   18
4. 4.

   Noah has 48 pencils and 72 erasers. Noah makes as many identical supply bags as possible, with nothing left over. How many erasers go in each bag?

   3
5. 5.

   Tala has 40 red buttons and 56 blue buttons. Tala makes as many identical button cards as possible, with no buttons left over. How many blue buttons are on each card?

   7
6. 6.

   Zee bakes 30 cookies and 42 rolls. Zee fills as many identical boxes as possible, with nothing left over. How many cookies are in each box?

   5
7. 7.

   Jun rewrites a sum. Write 90 + 54 as the greatest common factor times a sum. What do the two numbers inside the parentheses add up to?

   8
8. 8.

   Kira rewrites a sum. Write 56 + 98 as the greatest common factor times a sum. What do the two numbers inside the parentheses add up to?

   11
9. 9.

   Luz rewrites a sum. Write 90 + 36 as the greatest common factor times a sum. What do the two numbers inside the parentheses add up to?

   7
10. 10.

    Milo rewrites a sum. Write 70 + 42 as the greatest common factor times a sum. What do the two numbers inside the parentheses add up to?

    8