Ratios, GCF, and LCM

What is the GCF of 25 and 75?

• 25

• 13

• 15

• 5

Paige and Amelia are on different volleyball teams. The score is 4:7 right now. What is an equivalent fraction for the score right now? Explain.

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

CCSS.3.NF.A.3A

Fill in the blank

• 210

• 1200

• 120

• 1250

• 12000

The number of girls to boys in Mrs. Naomi's class is 12:8. Two students, Lila and Mia, are fighting because of how many girls and boys there are. Lila said that there are 6:4 girls and boys. Mia said that there were 3:2 girls and boys. Who is correct?

• Mia

• Lila

• Neither

• Both

Tags

CCSS.6.RP.A.3A

Sara and Thomas wants to buy pens and pencils. But, pens come in packages of 18; pencils come in packages of 24. What is the least amount of pens and pencils they can buy while having the same amount of each?

• 24

• 48

• 72

• 36

Fill in the blank

• 6

• 2

• 12

• 4

Tags

CCSS.4.OA.C.5

What is the LCM of 6 and 8? Explain how you found out.

What is the GCF for 24 and 32? Explain

Pablo is making dinner. He has 4 onions and 6 tomatoes. What is the greatest amount he can cut without going overboard?

How are you supposed to find an equivalent ratio, GCF, and LCM? Choose one and explain (Write down which one you chose).

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1