Math- T1 GK

Question 1

what can an integer be?

Answer 1

an integer can be positive, negative or zero

Question 2

-2+3=?

Answer 2

?=1

Question 3

-16+21=?

Answer 3

?=4

Question 4

-3.5 is an integer; true or false?

Answer 4

false; integers must be a whole number

Question 5

if we draw a cartesian plane, which quadrent does it start on (e.g bottom-left)

Answer 5

top-left

Question 6

which way does it go if we want the order 1-4 of a cartesian plane? (clockwise or anti-clockwise)

Answer 6

anti-clockwise

Question 7

what does coefficient mean?

Answer 7

a coefficient is the number before an algebraic term; it tells us how many terms we have

Question 8

what is an algebraic term?

Answer 8

an algebraic term forms a part of an algebraic expression

Question 9

what is a constant term?

Answer 9

a constant term can be positive, decimal, negative or fraction; it’s a number without any algebra

Question 10

what is a pronumeral?

Answer 10

pronumeral stands for a value but the value could change

Question 11

what is a like term?

Answer 11

same terms are like terms; you can combine like terms into one term

Question 12

what is equivalent to X+X+X to?

Answer 12

Xx3; simpified into 3X

Question 13

what is an example of a coefficient?

Answer 13

answer must be something like: 7u+5v-3w

Question 14

what does the equation 7u+5v-3w tell us?

Answer 14

that we have 7 lots of u, 5 lots of v and -3 lots of w

Question 15

what does factorising mean?

Answer 15

factorising is the opposite procedure to expanding

Question 16

what do we do to factorise?

Answer 16

when factorising an expression, we always want to TAKE OUT the hcf

Question 17

define ratios

Answer 17

ratios are one thing compared to the amount of another

Question 18

define rates

Answer 18

a rate is a way of comparing two related quantities that are measured in different units

Question 19

what is an equivalent ratio to 174:298?

Answer 19

87:149

Question 20

what does a rate tell us?

Answer 20

a rate tells us how much of one thing is happening in relation to another

Question 21

when writing the scale on a drawing what is the order?

Answer 21

drawing length : actual length

Question 22

what does the drawing length represent?

Answer 22

drawing length represents the length on the diagram, map or model

Question 23

what does the actual length represent?

Answer 23

actual length represents the real length of the object

Question 24

what is the golden ratio?

Answer 24

It is the ratio of a line divided into two parts where the longer part divided by the shorter part equals the whole length divided by the longer part

Question 25

what represents the golden ratio?

Answer 25

the greek letter PHI which is approximately 1.618