Page 16 - Math Course 1 (Book 2)

The Language of Algebra

MO. 7 - L2b Subtraction (–) Words

Write Verbal Expressions for less than ………….means to subtract
difference ………. means to subtract
Mathematical Expressions minus ………………means to subtract
from ………………..means to subtract
decreased by …..means to subtract
Vocabulary A-Z
Let us learn some vocabulary Multiplication (x) Words

times………………. means to multiply
of ……….............. means to multiply
product……….…. means to multiply
evaluate by ……………………means to multiply
To evaluate an expression means to f nd its value.

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Evaluate 2 . Division (÷) Words
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2 = 2 x 2 x 2 x 2 x 2 x 2. Use 2 as factors 6 times. quotient…….…… means to divide
= 64 Multiply. per ………………….means to divide
rate ……………….. means to divide
ratio ………………. means to divide
divided by ……... means to divide

Symbol Words Meaning Remember to read your instructions!

3 1 3 to the f rst 3 Write an expression Example
power
Your answer will be
14 + 1
an expression 26 ÷ 2
3 to the
3 2 second power 3 • 3
or 3 squared Evaluate an expression Example

3 to the Your answer will be a 15
3 3 third power or 3 3 • 3 • 3 value 13
cubed
Sometimes it will ask you to write and then evaluate
so you must do both!
3 4 fourth power 3 • 3 • 3 • 3
3 to the

Let’s Begin
2b 6 2 times b to the 2 • b • b • b • b •
sixth power
b • b

x n x to the nth x • x • x • ... • x Write Algebraic Expression
n factors
power
Examples

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Evaluate 3 .
Addition (+) Words
34 = 3 • 3 • 3 • 3 Use 3 as a factor 4 times.
more than ……… means to add = 81 Multiply.
sum ……….......... means to add
plus ……………….. means to add
increased by ….. means to add Answer 81

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