Mathematical Operations and Word Problems

This video tutorial covers the use of decimals in various shopping contexts, including calculating remaining money after purchases, determining how many items can be bought within a budget, estimating and calculating exact costs, comparing costs of different items, dividing quantities into different container sizes, and calculating areas of triangles. It also includes finding quotients of fractions.

What is the main focus of Unit Five Lesson One?

• Exploring algebraic expressions

• Understanding fractions

• Learning about percentages

• Using decimals in a shopping context

How much money did Mai have initially?

• $5.25

• $20.00

• $10.00

• $14.50

After spending at the snack bar, how much money did Mai have left?

• $11.00

• $8.50

• $9.00

• $10.15

How many large cheese pizzas can Diego buy with $40?

• 5

• 6

• 4

• 7

What is the cost of three large cheese pizzas?

• $22.50

• $15.00

• $30.00

• $37.50

What is the estimated total cost for two adult and three student tickets?

• $30.00

• $28.00

• $20.00

• $24.00

What is the exact total cost for the tickets?

• $24.75

• $23.75

• $25.75

• $22.75

How much change should the family receive if they pay $25?

• $1.25

• $1.75

• $1.00

• $1.50

What is the cost of three pounds of chicken?

• $8.60

• $9.60

• $11.60

• $10.60

How much more does three pounds of beef cost than chicken?

• $3.17

• $4.17

• $5.17

• $6.17