subtest 2

Question 1

whole numbers

Answer 1

natural numbers together with 0

ex. 0,1,2,3

Question 2

natural numbers

Answer 2

numbers used to count

ex. 1 2 3

Question 3

integers

Answer 3

whole numbers and their opposites

ex. -1,-2, 0, 1, 2

Question 4

reciprocal

Answer 4

the inverse or value of a number

ex. 5 is 1/5th

Question 5

rational number

Answer 5

number that is expressed as the ratio of two integers where the denominator should not be equal to zero
ex. 1/3, 2/4, 1/5

Question 6

commutative property

Answer 6

when adding two numbers, the sum is the same regardless of order
ex. 2+5=7 vs 5+2=7

Question 7

associative property

Answer 7

when adding three or more numbers the sum is the same regardless of order

Question 8

identity property

Answer 8

adding zero to number does not change it

Question 9

commutative property (multiplication)

Answer 9

product is the same regardless of order of numbers multiplied

Question 10

associative property (multiplication)

Answer 10

product is the same regardless of order of three or more numbers that are multiplied

Question 11

identity property (multiplication)

Answer 11

multiply a number by 1 number does not change

Question 12

distributive property

Answer 12

(multiplication over addition)
product of a number with a sum equals the sum of products of a number with each term of the sum

ex. 2 x (3+5) = 2x3 + 2x5

Question 13

exponent

Answer 13

repeated multiplication

ex. 2^3 = 2x2x2

Question 14

converting percentage to decimal

Answer 14

move the decimal point two places to the left

0.05 = 5%

Question 15

converting a decimal to percentage

Answer 15

move the decimal point two places to the right and add percent sign
ex. 0.123= 12.3%

Question 16

converting fraction to a percentage

Answer 16

convert fraction to decimal then convert to percentage

ex. 2/5 = .4 = 40%

Question 17

convert percentage to fraction

Answer 17

convert percentage to fraction with denomator as 100

ex. 65/100 = 13/20