Lesson 1.12

Lesson 1.12:

Grouping Symbols

Go Math Pg. 73

Multiple Select

LESSON CHECK 1.11:

What is the value of the expression.

 $4\times\left(4-2\right)+6=$  

• 24

• 14

Fill in the Blanks

LESSON CHECK 1.11

Lannie ordered 12 copies of the same book for his book club members. The books cost $19 each, and the order has a $15 shipping charge. What is the total cost of Lannie's order?

Multiple Choice

SPIRAL REVIEW

A small company packs 12 jars of jelly into each of 110 boxes to bring to the farmers' market. How many jars of jelly does the company pack in all?

What operation will be used?

• Multiplication

• Addition

• Subtraction

• Division

Fill in the Blanks

A small company packs 12 jars of jelly into each of 110 boxes to bring to the farmers' market. How many jars of jelly does the company pack in all?

Multiple Choice

June has 42 sports books, 85 mystery books, and 69 nature books. She arranges her books equally on 7 shelves. How many books are on each shelf?

What Operation will I complete First?

• Addition

• Subtraction

• Multiplication

• Division

Multiple Choice

June has 42 sports books, 85 mystery books, and 69 nature books. She arranges her books equally on 7 shelves. How many books are on each shelf?

What Operation will I complete Next?

• Addition

• Subtraction

• Multiplication

• Division

Fill in the Blanks

June has 42 sports books, 85 mystery books, and 69 nature books. She arranges her books equally on 7 shelves. How many books are on each shelf?

Fill in the Blanks

Last year, a widget factory produced one million, twelve thousand, sixty widgets. What is this number written in standard form?

Fill in the Blanks

A company has 3 divisions. Last year, each division earned a profit of

 $5\times10^5$ . What was the total profit the company earned last year? 

Lesson 1.12: Grouping Symbols

Mary's weekly allowance is $8 and David's weekly allowance is $5. Every week they each spend $2 on lunch. Write a numerical expression to show how many weeks it will take them together to save enough money to buy a video game for $45.

Use parentheses and brackets to write an expression. You can use parentheses and brackets to group operations that go together. Operations in parentheses and brackets are performed first

Fill in the Blanks

STEP 1:

Enter an expression to represent how much Mary and David save each week.

How much money does Mary save each week?

Think: Each week Mary gets $8 and spends $2.

Fill in the Blanks

STEP 1:

Enter an expression to represent how much Mary and David save each week.

How much money does David save each week?

Think: Each week David gets $5 and spends $2.

Open Ended

STEP 1 Enter an expression to represent how much Mary and David save each week.

How much money do Mary and David save together each week?

Open Ended

STEP 2

Enter an expression to represent how many weeks it will take Mary and David to save enough money for the video game.

How many weeks will it take Mary and David to save enough for a video game?

Think: I can use brackets to group operations a second time.

$45 is divided by the total amount of money saved each week.

__ ÷ [ ]

LESSON 1.12

pg. 74

Fill in the Blanks

Share and Show
Evaluate the numerical expression.
 $12\ +\left[\left(15-5\right)+\left(9-3\right)\right]$  

Fill in the Blanks

 $5\times\left[\left(26-4\right)-\left(4+6\right)\right]$  

Share and Show

Fill in the Blanks

 $36\div\left[\left(18-10\right)-\left(8-6\right)\right]$  

Share and Show

Fill in the Blanks

 $4+\left[\left(16-4\right)+\left(12-9\right)\right]$  

Fill in the Blanks

 $24-\left[\left(10-7\right)+\left(16-9\right)\right]$  

Fill in the Blanks

 $3\times\left\{\left[\left(12-8\right)\times2\right]+\left[\left(11-9\right)\times3\right]\right\}$  

HOMEWORK HOMEWORK HOMEWORK

Lesson 1.12 on ThinkCentral