For each set of values for a and b, evaluate the given expressions and record your answers in the table (please help ASAP)

Answer:

Opening (2 minutes)

Move students into groups of two or three, and distribute the bags of tiles.

Mathematical Modeling Exercise (15 minutes)

 Today, we will model a problem that happens in restaurants every day: moving tables together so that

everyone in a group can sit together. Use the square tiles to represent square tables. One person can sit along

each edge of a table side, no crowding. Our first goal is to find how many people can sit at tables made of

various numbers of square tables pushed together end to end.

 How many chairs can fit around one square table? What is the perimeter of the square if the edge length is

one yard? Record the results in your table.

 4; 4 yards

 If two square tables are pushed together to form a longer rectangular table, how many chairs will fit around

the new table? What is the perimeter of the rectangle? Record the results in your table.

 6; 6 yards

Make sure that each student can connect the square model on the desk to the picture on the classwork sheet.

 If there are twice as many square tables in the new rectangular table, why can’t twice as many chairs fit

around it?

 No chairs will fit right where the tables come together.

NYS COMMON CORE MATHEMATICS CURRICULUM Lesson 21 6•4

Lesson 21: Writing and Evaluating Expressions―Multiplication and Addition

223

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 Make a record of the number of chairs that will fit around longer rectangular tables when 3, 4, and 5 square

tables are pushed together to form long rectangular tables.

Mathematical Modeling Exercise

The Italian Villa Restaurant has square tables that the servers can push together to accommodate the customers. Only

one chair fits along the side of the square table. Make a model of each situation to determine how many seats will fit

around various rectangular tables.

Number of Square Tables Number of Seats at the Table

+ or ( + )

Are there any other ways to think about solutions to this problem?

Regardless of the number of tables, there is one chair on each end, and each table has two chairs opposite one another.

It is impractical to make a model of pushing tables together to make a long rectangle. If we did have a rectangle that

long, how many chairs would fit on the long sides of the table?

on each side, for a total of

How many chairs fit on the ends of the long table?

chairs, one on each end

How many chairs fit in all? Record it on your table.

chairs in all

Work with your group to determine how many chairs would fit around a very long rectangular table if square tables

were pushed together.

chairs on each side, totaling , plus one on each end; grand total

If we let represent the number of square tables that make one long rectangular table, what is the expression for the

number of chairs that will fit around it?

+

NYS COMMON CORE MATHEMATICS CURRICULUM Lesson 21 6•4

Lesson 21: Writing and Evaluating Expressions―Multiplication and Addition

224

This work is derived from Eureka Math ™ and licensed by Great Minds. ©2015 Great Minds. eureka-math.org

This file derived from G6-M4-TE-1.3.0-09.2015

This work is licensed under a

Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.

Example (13 minutes)

Example

Look at Example 1 with your group. Determine the cost for various numbers of pizzas, and also determine the expression

that describes the cost of having pizzas delivered.

a. Pizza Queen has a special offer on lunch pizzas: $. each. They charge $. to deliver, regardless of how

many pizzas are ordered. Determine the cost for various numbers of pizzas, and also determine the

expression that describes the cost of having pizzas delivered.

Number of Pizzas Delivered Total Cost in Dollars

+

Allow the groups to discover patterns and share them.

What mathematical operations did you need to perform to find the total cost?

Multiplication and addition. We multiplied the number of pizzas by $ and then added the $ delivery fee.

Suppose our principal wanted to buy a pizza for everyone in our class. Determine how much this would cost.

Answers will vary depending on the number of students in your class.

b. If the booster club had $ to spend on pizza, what is the greatest number of pizzas they could order?

Students can use the “guess and check” method for answering this question. A scaffold question might be, “Could they

order 100 pizzas at this price?”

The greatest number of pizzas they could order would be . The pizzas themselves would cost

× $ = $, and then add $. for delivery. The total bill is $.

Step-by-step explanation:

The complete third row is solved and mentioned below -

6   2   5.5   -12   36   1/4

Given are the values of {a} and {b}.

We can complete the third row as -

The complete third row is -

6   2   5.5   -12   36   1/4

Therefore, the complete third row is solved and mentioned below -

6   2   5.5   -12   36   1/4

To solve more questions on algebraic expressions, visit the link below -

brainly.com/question/1041084

#SPJ5

someone help asap plz

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A.48 inches
B.20 inches
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Help me pls! ill rate you very good!!!!

Which of the following situations can be used to describe |−250|?



Select all that apply.




A businessman lost $250 from his bank account.


A car was driven 250 miles.


A $250 deposit in the bank


The distance from 0 is 250 km.

plssssssssssssssss heelppppppppppppppppppp

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Help me this time plsssss

Statistics :Q6..........

over the last 2.5 years, the water level in a lake has changed by -0.3 ft per year. scientists predict that the water level will continue to go down for the next 5 years at a rate of 0.4 ft per year. based on this information, Andrew made several claims. determine whether each of the claims he makes is true or false (mark the answers that are true and false)​

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A student wrote the equation 620 = 124n. Which situation is best represented by this equation?
A. Jaclyn paid $620 to stay at the hotel.
She paid $124 per night for two rooms each.
How many nights, n, did Jaclyn stay at the hotel?

B. Jaclyn paid $620 to stay at the hotel.
She paid $124 per night.
How many nights, n, did Jaclyn stay at the hotel?

C. Jaclyn paid $620 to stay at the hotel.
The hotel gave her a discount of $124 off the orginal price.
What was n, the amount of money Jaclyn would have original paid to stay at the hotel?

D. Jaclyn paid $620 for her and her sister to stay at the hotel.
Jaclyn stayed in her own room for several nights and paid $124 for her sister to stay in another room for one night.
What was n, the amount of money Jaclyn paid for her own room at the hotel for those days?

3/5 ÷ 5/9
Solve the problem. Type Final Answer Only IN SIMPLIFIED FORM, no spaces and Use the backslash for the fraction bar (Hint: Simplify before you multiply) *

Please help. I only need parts a and b.

please i need help asappp pleaseee

PLZZZ HELP

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HELPPP