Fraction Operations and Word Problems

The video tutorial covers various math problems involving fractions and decimals. It begins with an introduction and a list of materials needed. The teacher guides students through solving problems related to dividing leather strips, calculating remaining Coke, determining the number of pies from sugar, dividing clay into balls, and calculating cups of lemonade. Each problem is explained with both fraction and decimal methods. The lesson concludes with instructions for assignments and a reminder to complete an exit ticket.

What materials do you need for the lesson?

• Pencil, math journal, Chromebook, math book

• Pencil, notebook, tablet, math book

• Pen, math journal, laptop, math book

• Pencil, math journal, smartphone, math book

How do you solve the expression 2 1/2 divided by 1/3?

• Multiply 2 1/2 by 3

• Multiply 2 1/2 by 1/3

• Divide 2 1/2 by 3

• Divide 2 1/2 by 1/3

What is the first step in solving Reggie's Coke problem?

• Convert 0.25 to a fraction

• Multiply 0.25 by 3/4

• Add 0.25 and 3/4

• Convert 3/4 to a decimal

How much Coke is left after someone drinks 3/4 of it?

• 0.0625 liters

• 0.5 liters

• 0.25 liters

• 0.1875 liters

How many pies can Chef Bob make with 4 cups of sugar if each pie requires 2/5 of a cup?

• 15 pies

• 12 pies

• 10 pies

• 8 pies

What is the reciprocal of 2/5?

• 5/2

• 2/5

• 1/5

• 5/1

How many pieces of clay can Sarah make if each piece weighs 1/16 of a pound?

• 8 pieces

• 10 pieces

• 12 pieces

• 16 pieces

What is the first step in solving Ms. Smith's lemonade problem?

• Multiply 3 1/8 by 1/15

• Convert 3 1/8 to an improper fraction

• Convert 1/15 to a decimal

• Add 3 1/8 and 1/15

What is the result of dividing 3 1/8 by 1/15?

• 57

• 50

• 45

• 60

Why is it better to use fractions instead of decimals for repeating decimal problems?

• Decimals are more accurate

• Fractions provide an exact answer

• Fractions are more complex

• Decimals are easier to calculate