Adding and Subtracting Fractions: A Fun Exploration

Why does adding and subtracting fractions often seem complicated?

• Because the denominators are often different.

• Because fractions are always large numbers.

• Because fractions are always improper.

• Because fractions are not used in real life.

Tags

CCSS.7.NS.A.1C

What is the result of adding 1/4 and 2/4?

• 4/4

• 3/4

• 2/4

• 1/4

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the least common multiple (LCM) of 4 and 3?

• 6

• 9

• 12

• 15

How do you transform 1/4 to have a denominator of 12?

• Multiply both numerator and denominator by 3

• Multiply both numerator and denominator by 5

• Multiply both numerator and denominator by 2

• Multiply both numerator and denominator by 4

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What is the simplified form of 25/30?

• 6/5

• 1/2

• 5/5

• 5/6

What is the first step in subtracting 3/6 from 1 5/8?

• Subtract the denominators directly

• Subtract the numerators directly

• Find the least common multiple

• Find the greatest common factor

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the least common multiple (LCM) of 8 and 6?

• 12

• 18

• 24

• 30

If 1/3 of students want a zombie theme and 2/5 want a disco theme, what fraction of students want a themed dance?

• 11/15

• 15/15

• 5/15

• 6/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What fraction of students want no theme at all if 11/15 want a themed dance?

• 4/15

• 7/15

• 5/15

• 6/15

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Which theme won the student poll for the school dance?

• Zombie

• Disco

• No theme

• Both themes

Tags

CCSS.RI.6.7

CCSS.RI.8.7

CCSS.RL.6.7

CCSS.RL.7.7

CCSS.RL.9-10.7