Page 21 - Math Course 1 (Book 2)

Translating Equations

MO. 7 - L3b Perimeter equals four times the
Words length of the side.
Translate Equations into Verbal

Sentences Variables Let P = perimeter and s = length of a
side.

Vocabulary A-Z Perimeter equals four times the
Let us learn some vocabulary Formula length of a side.

P = 4s

formula
is an equation that states a rule for the relationship Answer The formula is P = 4s.
between certain quantities.

Translate Equations into Sentences

Examples

Translate the equation into a verbal sentence.
12 – 2x = –5

12 – 2x = –5
The formula for the perimeter of a triangle is P = 2l + 2w

two negative
Using A Problem Solving Plan Twelve minus times x equals f ve

To solve any problem
requires a 4 step Answer Twelve minus two times x
problem solving plan: equals negative f ve.

• Explore
• Plan Translate the equation into a verbal sentence.
• Solve a + 3b = c
2
• Examine 6
c
a 2 + 3b =
6
c
three
Let’s Begin squared plus times b equals divided
a
by 6
a squared plus three times b
Answer
Write a Formula equals c divided by six.

Examples

Translate the sentence into a formula.

The perimeter of a square equals four times the
length of the side.

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