Mathematics Trimester 1

Question 1

to compare decimals you…

Answer 1

align the . points then compare place then

Question 2

In math, always go…

Answer 2

Left to Right

Question 3

Round _____

Answer 3

values

Question 4

Front end estimation:

Answer 4

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

Question 5

Numerical Expression:

Answer 5

a phrase with only numbers and operation

Question 6

word phrase:

Answer 6

ex) sum of 12+2

Question 7

variable:

Answer 7

a symbol that represents numbers (#s anything)

Question 8

Evaluating:

Answer 8

replacing te variable with the given value

Question 9

Estimating Products:

Answer 9

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

Question 10

Exponent:

Answer 10

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

Question 11

Short division:

Answer 11

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

Question 12

Compatible Numbers:

Answer 12

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

Question 13

Evaluate=

Answer 13

find value

Question 14

substitution:

Answer 14

replace a number

Question 15

How to Evaluate:

Answer 15

expression

substitute

Question 16

Term:

Answer 16

the parts of an expression

Question 17

Like Term:

Answer 17

terms that have exactly the same variable parts

Question 18

Equation:

Answer 18

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

Question 19

Closed Equation:

Answer 19

equation with no variables

Question 20

Open Equation:

Answer 20

Equation with variables

Question 21

Inequality:

Answer 21

a statement that uses symbols

Question 22

<:

Answer 22

less than

Question 23

> :

Answer 23

greater than

Question 24

>

: _

Answer 24

greater than or equal to

Question 25

<
:
_

Answer 25

less than or equal to

Question 26

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

Answer 26

not equal to

Question 27

Inverse Operation:

Answer 27

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

-and other way around**

Question 28

Property of Equality:

Answer 28

whatever you do to 1 side you do to the other

Question 29

Formula:

Answer 29

a rule describing a mathematical relationship involving 2+ qualities

Question 30

distance formula:

Answer 30

distance = rate x time

Question 31

Volume formula:

Answer 31

Volume = l x w x h