Verbal Phrases and Mathematical Expressions

Verbal Phrases and Mathematical Expressions

Poll

How are you feeling today?

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Concept Mapping

Make a graphic organizer in writing all possible expression that may be associated to each of the following mathematical symbols:

 $+,\ -,\ \times,\ \div$  

Sample Graphic Organizer

Fill in the Blanks

State a mathematical phrase for each verbal phrase (we'll use n as the unknown number)

three more than a number

Fill in the Blanks

seven less than a number

Fill in the Blanks

a number decreased by two

Multiple Choice

one-half more than twice a number

• $2\left(n+\frac{1}{2}\right)$

• $2n+\frac{1}{2}$

Multiple Choice

thrice a number less than three-fourths

• $3n-\frac{3}{4}$

• $3\left(n-\frac{3}{4}\right)$

• $\frac{3}{4}-3n$

• $3n<\frac{3}{4}$

Multiple Choice

four times a number more than one

• $1+4n$

• $4\left(n+1\right)$

• $4n+1$

Multiple Choice

Write the expression "the ratio of two less than thrice a number and four" in symbols.

• $\frac{2-3n}{4}$

• $\frac{2<3n}{4}$

• $\frac{3n-2}{4}$

• $\frac{3n<2}{4}$

Multiple Choice

one-half more than twice a number

• $2\left(n+\frac{1}{2}\right)$

• $2n+\frac{1}{2}$

Open Ended

Explain why the square of the sum of two numbers is different from the sum of the squares of the two numbers.

Multiple Choice

Tell whether each statement is True or False.

 If  $x=-3$   , then the value of  $4x+5$  is 17.

• True

• False

Multiple Choice

If   $b=-4$  , then  $b^3-3$  is 61.

• True

• False

Multiple Choice

What is the value of  $3x^2y^3c$   when  $x=3,\ y=-2\ and\ c=\frac{1}{3}$  ?

• -72

• -36

• 36

• 72

Multiple Choice

When  $x=-2$  , which expression has the value  $-64$  ?

•  $3x^2$  

•  $\left(3x\right)^2$  

•  $2x^3$  

•  $\left(2x\right)^3$  

Poll

How well did you understand the lesson today? (5 being the highest, and 1 being the lowest)

• 5

• 4

• 3

• 2

• 1