L19 Review & Practice Evaluate Expressions

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Mathematics

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George Casey

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3 Slides • 12 Questions

Evaluate and Write Expressions

Objective

Evaluate expressions containing parentheses
write numerical expressions containing parentheses
interpret numerical expressions without evaluating them

Vocabulary

Evaluate: to find the value of an expression
Parentheses ( ): A grouping symbol; they represent a part of the problem that should be done before others

Fill in the Blanks

Type answer...

Multiple Choice

What operation do you use to find the cost of a drink and a popcorn for one person?

multiplication

division

addition

subtraction

Fill in the Blanks

Type answer...

Multiple Choice

How much would it cost for 2 people compared to the cost of one?

It would be the same

it would be twice as much

Open Ended

How would you find the cost for two people?

Type response here

Multiple Choice

How much does it cost for Maria to buy a popcorn and a drink for two people?

$13

$26

Multiple Choice

What are parentheses?

they tell you how many times to multiply the base by itself

grouping symbols which should be solved 1st in an expression

Multiple Choice

Evaluate 0.50 x (24+8) to find the cost of the erasers.

5/6

Multiple Choice

Sara buys a shirt that costs $12 and a pair of pants that regularly costs $26. They are on sale, so she only need to pay half of the regular cost. Evaluate the expression

\frac{1}{2}\times\left(12+26\right)

to find Sara's cost in dollars.

$\frac{38}{1}$

$\frac{7}{8}$

Multiple Choice

Which expression best represents "15 minus the sum of 6 and 7"

15 - 6 + 7

15 - (6+7)

(6+7) -15

6-7+15

Multiple Choice

Ella babysits 3 hours each day for 4 days. On the fifth day, she babysits for 6 hours . Which expression represents how many hours Ella babysits altogether?

4 + 3 + 6

4 x (3 + 6)

3 x (4 + 6)

3 x 4 + 6

Multiple Select

Evaluate and Write Expressions

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