Arithmetic

Question 1

Positive * positive =

Answer 1

Positive

Question 2

Positive * negative =

Answer 2

Negative

Question 3

Negative * negative =

Answer 3

Positive

Question 4

Least common multiple of 2 numbers =

Answer 4

The least positive number that is a multiple

Question 5

Even + even =

Answer 5

Even

Question 6

Odd + Even =

Answer 6

Odd

Question 7

Odd + odd =

Answer 7

Even

Question 8

Even * even =

Answer 8

Even

Question 9

Odd * odd =

Answer 9

Odd

Question 10

Even * Odd =

Answer 10

Even

Question 11

Adding/subtracting 2 fractions

Answer 11

Find common denominator first

add/subtract numerators

Question 12

Multiplying fractions

Answer 12

Simply multiply both numerators

Multiply both denominators

Question 13

Diving fractions:

Answer 13

Turn second fraction upside down

Multiply

X/Y / A/B = X/Y * B/A

Question 14

Negative Number ^ Even Number

Answer 14

Always positive

Question 15

Negative Number ^ odd number

Answer 15

Always negative

Question 16

(√a)^2 =

Answer 16

a

Question 17

√a^2 =

Answer 17

a

Question 18

√a√b =

Answer 18

√(ab)

Question 19

√a/√b =

Answer 19

√(a/b)

Question 20

Irrational Numbers

Answer 20

Decimal number that doesn’t terminate or repeat the same pattern (recurring)

Question 21

Real Numbers

Answer 21

All rational, irrational, integers, fractions, decimals etc.

Represented on the ‘Real Number Line’

Question 22

Interval

Answer 22

A set of Real Numbers between 2 points on the Real Number Line.

Example: a< X < 3

(Can include ‘greater than or equal to’ ‘less than or equal to’ signs too)

Question 23

Absolute Value

Answer 23

The distance between a number and 0 on a Real Number Line

Written as:

|x|

Example : |3| = 3 , |-3| = 3

Question 24

|r| |s| =

Answer 24

|rs|

Example:

|5| |-2| = |(5*-2)| = |-10| = 10

|5| |-2| = 5*2 = 10

Question 25

|r+s|

Answer 25

|r| + |s| “Triangle Inequality”

Question 26

Percent Change - Increase Percentage =

Answer 26

Amount of increase / original number

Question 27

Percent Change - Decrease Percentage

Answer 27

Amount of decrease / original number