Mathematics Trimester 1 Flashcards Preview

6th Grade Trimesters > Mathematics Trimester 1 > Flashcards

Flashcards in Mathematics Trimester 1 Deck (31):
1

to compare decimals you...

align the . points then compare place then

2

In math, always go...

Left to Right

3

Round _____

values

4

Front end estimation:

add the front digits, adjust the estimate by using the remaining digits

5

Numerical Expression:

a phrase with only numbers and operation

6

word phrase:

ex) sum of 12+2

7

variable:

a symbol that represents numbers (#s anything)

8

Evaluating:

replacing te variable with the given value

9

Estimating Products:

round the factor
X the factors
Count the 0s in the factors

10

Exponent:

to the power ex) normal 2, small 5 = 2 to the 5th power

11

Short division:

normal divis
X/-
mentally
record remainder
put it on top
rinse and repeat

12

Compatible Numbers:

2 numbers that evenly divide each other ( 18 and 3)

13

Evaluate=

find value

14

substitution:

replace a number

15

How to Evaluate:

expression
substitute

16

Term:

the parts of an expression

17

Like Term:

terms that have exactly the same variable parts

18

Equation:

a statement showing that 2 mathematical expressions are equal (=)

19

Closed Equation:

equation with no variables

20

Open Equation:

Equation with variables

21

Inequality:

a statement that uses symbols

22

<:

less than

23

>:

greater than

24

>
:
_

greater than or equal to

25

<
:
_

less than or equal to

26

=/ (equal sign with a "/ "through it):

not equal to

27

Inverse Operation:

opposite operation so....
+ is changed to -
x is changed to division


-and other way around****

28

Property of Equality:

whatever you do to 1 side you do to the other

29

Formula:

a rule describing a mathematical relationship involving 2+ qualities

30

distance formula:

distance = rate x time

31

Volume formula:

Volume = l x w x h