My 6+ Unit 6 VocabularyBy: Claire S.

Constant Term

A term that doesn’t change.

8, 88, 888, 8888, 88888, …

3,33,333,3333,33333….

Division of fractions property

This is that if you divide a number, it would be the same as multiplying the same number by it’s reciprocal.

12/2 = 12 x ½

14/2 = 14 x ½

Equation

A number sentence with an equal sign.

13+2 = 15

167+1 = 168

Equivalent equations

Problems that have the same solution to another problem.

6+6 = 12; 6x2 = 12

5+15 = 20; 5x4 = 20

Inequality

A number sentence with a relation symbol in it that is not equal.

15 = 14.6

13< 14

/

Integers

A whole number and/or the opposite of that number.

12 = -12

124 = -124

Multiplication property of -1

Anything multiplied by -1 will become it’s OPP.

-1x 234= -234

8907x -1 = -8907

Nested parentheses

A number sentence with a set of parentheses inside of another set of parentheses.

(13+(14-2)x 6) = d

(8-(13+4)+24) = e

Open sentence

A number sentence that has more than 1 variable.

a+b+4= n

c+s+3=k

Opposite of a number

When you change a number from positive to negative, or negative to positive. Also known as OPP.

-1 = 1

13579 = -13579

Order of operations

This tells you what order to go in when solving a number sentence.

Please Excuse My Dear Aunt Sally

Parentheses, Exponents, Multiplication, Division, Addition, & Subtraction

Reciprocal

A number when you add it, it always is 1.

5/3 + 3/5

1569/1 + 1/1569

Relation symbol

A symbol that shows relationship.

7=3+4

5<6

Repeating decimals

A number in which the decimal places never end.

0.333

0.161616161616161616

_

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Solution

A solution to a problem is the answer.

1x 156= 156

2x78= 156

Solution set

A set of all solutions.

J = 16 ( J=4)

G = 49 (G=7)

1

1

Terminating decimals

A decimal that ends, unlike Pi.

0.7

0.564382

Trial and error method

When you try different ways to solve a problem, and you do this until you get it right, this is trial & error.

n+e = 14 ( I would have to find what n and e would be)

e+r = 19 ( I would have to find out what e and r would be)

Variable

A letter in a number sentence that could be any number.

12+e=17

12+f=15