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