Mastering Fractions: Adding, Subtracting, and Renaming

The video begins with a personal story about Guillermo, followed by a review of chapter six focusing on equivalent fractions. It then covers calculating time differences in volunteering hours and explains renaming mixed numbers for subtraction. The video analyzes Mr. Clements' painting time using fractions and compares Tom's exercise time. It concludes with a resolution of Guillermo's story, emphasizing happy endings.

What is the primary goal of Mr. Wara's math videos?

• To solve complex equations

• To review literature

• To ensure a happy ending

• To discuss historical math problems

Tags

CCSS.7.NS.A.3

What must be multiplied to 3 to get 24, making the fractions equivalent?

• 6

• 10

• 8

• 4

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Which pair of fractions did NOT match as equivalent?

• 3/8 and 12/32

• 3/8 and 24/64

• 1/4 and 6/32

• 1/4 and 8/64

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Who volunteered the most hours?

• Cal

• Victor

• Amy

• Beth

What is the difference in volunteering hours between Amy and Victor?

• 11/12 hour

• 1 hour

• 1 1/2 hours

• 1 1/4 hours

Tags

CCSS.7.NS.A.3

What was the least common denominator found for fractions with denominators 3 and 4?

• 12

• 24

• 6

• 8

Which problem required renaming to solve?

• 14A

• 14C

• 14D

• None of the above

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

How much longer did Mr. Clements paint in the afternoon compared to the morning?

• 2 hours

• 2 and 3/20 hours

• 3 hours

• 1 and 1/2 hours

Tags

CCSS.7.NS.A.3

How much total time did Tom spend exercising on Monday and Tuesday?

• 1 and 1/2 hours

• 49/30 hours

• 2 hours

• 1 and 19/30 hours

Tags

CCSS.5.MD.B.2

What was the difference in exercise time between Tuesday and Monday for Tom?

• 1/5 hour

• 1/30 hour

• 1/4 hour

• 1/6 hour

Tags

CCSS.4.MD.B.4