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Objective - To translate English words and phrases into mathematical symbols and expressions. PowerPoint Presentation

Objective - To translate English words and phrases into mathematical symbols and expressions.

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Objective - To translate English words and phrases into mathematical symbols and expressions.

_

+

minus

times

divide

plus

subtract

multiply

quotient

add

decreased by

product

increased by

diminished by

…of...

sum

difference

twice ( 2)

total

less

more than

added to

less than

subtracted from

Tricky Ones! mathematical symbols and expressions.

5 plus x

5 + x

5 + x

add 5 and x

the sum of 5 and x

5 + x

5 increased by x

5 + x

5 more than x

x + 5

5 added to x

x + 5

Tricky Ones! mathematical symbols and expressions.

5 minus x

5 - x

5 - x

5 less x

the difference of 5 and x

5 - x

5 decreased by x

5 - x

5 less than x

x - 5

5 subtracted from x

x - 5

Translate each phrase into a mathematical expression. mathematical symbols and expressions.

1) 5 subtract x

2) the product of 10 and y

3) 20 decreased by a number t

4) 6 added to the product of 11 and m

5) the quotient of y and 9

6) 8 less than 7 times k

5 - x

10y

20 - t

11m + 6

y 9

7k - 8

A special word in each column refers not to the operation itself but the outcome of the operation.

_

+

minus

times

divide

plus

subtract

multiply

quotient

add

decreased by

product

increased by

diminished by

…of...

sum

difference

twice ( 2)

total

less

more than

added to

less than

subtracted from

Translate each phrase into a mathematical expression. itself but the outcome of the operation.

1) six less than twice a number x

2) five times the sum of y and 4

3) twice the difference of m and 3

4) the quotient of 7 and a number x less 2

5) the difference of 6 and k divided by 9

6) 4 times the sum of 12 and y

2x - 6

5(y + 4)

2(m - 3)

7 x - 2

(6 - k) 9

4(12 + y)

Match each phrase with its variable expression. itself but the outcome of the operation.

d

1) Twice the sum of x and 3

e

2) Two less than the product

of 3 and x

b

3) Three times the difference

of x and 2

a

4) Twice a number x less 3

c

5) Two more than 3 times a

number x

Define a variable to represent the unknown and itself but the outcome of the operation.

write the phrase as a variable expression.

1) 10 mph faster than the Honda

Let x = the speed of the Honda

x + 10

2) 7 inches shorter than Jill’s brother

Let b = the height of Jill’s brother

b - 7

3) 5 acres larger than twice the size of my lot

Let k = the size of my lot

2k + 5

4) $7.50 times the number of people plus a

$20 group registration

Let y = the number of people

$7.5y + $20

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