Vocabulary 1st Qtr.

Question 1

real numbers

Answer 1

consists of all rational and irrational numbers .

Question 2

natural numbers

Answer 2

are the set of counting numbers ( 1 , 2 , 3 , 4 ….)

Question 3

whole numbers

Answer 3

are the set of numbers that include 0 plus the natural numbers (0,1,2,3….)

Question 4

integers

Answer 4

are a set of positive and negative numbers (…..-3,-2,-1,0,1,2,3……)

Question 5

Rational numbers are numbers ….(hint 3 things )

Answer 5

1 that can be written as a fraction/ratio .(4/7) 2. That have terminating decimals . (2.5) 3.That have repeating decimals (O.3 repeating )

Question 6

Irrational numbers are (hint 3 things )

Answer 6

1 numbers that cannot be made into simple fraction ;they have decimals that keeps going and going . 2.non-terminating. 3.non-repeating. examples : pi , 5.8826261772…..

Question 7

fraction

Answer 7

a part of a whole

Question 8

numerator

Answer 8

The top number which says how many parts we have .

Question 9

denominator

Answer 9

The bottom number that says how many parts the whole is dived into .

Question 10

perfect squares AKA square numbers are…

Answer 10

a number that is a square of whole numbers . can be represented by arranging objects in a square .

Question 11

square roots are …

Answer 11

is a number that can be multiplied by itself to give the original number . For example a square root of 9 is 3 because when 3 is multiplied by itself we get 9 .

Question 12

Base

Answer 12

the number being raised to an exponent (or power )

Question 13

Exponents

Answer 13

the number of times a base is to be used in a multiplication , also called power .

Question 14

Squaring a number

Answer 14

multiplying a number by itself , raising a number to the second power .

Question 15

Cubing a number

Answer 15

multiplying a number by itself 3 times ; raising a number to the third power .