1.1 Arthimetic - Fractions, Decimals, MMMR

Question 1

Proper Fractions

Answer 1

Fractions less than 1

Question 2

Improper Fractions

Answer 2

Fractions greater than 1

Question 3

Mixed Numbers

Answer 3

Fractions with whole numbers and vulgar fractions

Question 4

Key points to multiplication of fractions (6)

Answer 4

1. Express as improper fractions
2. cancel vertically if possible
3. cancel across the multiplication sign if possible
4. multiply numerators together, multiply denominators together
5. convert to a mixed number if improper
6. simplify

Question 5

Simplest way to multiply fractions

Answer 5

top x top and bottom x bottom

Question 6

another way that times (x) may be written?

Answer 6

Of

Question 7

Key points to division of fractions (4)

Answer 7

1. convert to improper
2. invert the fraction you are dividing
3. proceed as multiplication
4. simplify as necessary

Question 8

Key points to mixed multiplication and division of fractions (2)

Answer 8

1. invert all fractions preceded by a division sign

2. treat the calculations as multiplication

Question 9

key points to addition of fractions (4)

Answer 9

1. express fractions as mixed numbers in their lowest form
   2 add whole numbers together
2. add vulgar fractions together (covert denominators so they are all the same (lowest common multiple))
3. convert to mixed numbers as necessary

Question 10

The basic procedure of subtraction of fractions?

Answer 10

same procedure as an addition calculation

Whole numbers > subtract whole numbers > subtract vulgar fractions using LCM

Question 11

if basic subtraction of vulgar fraction = a minus fraction, what do you do?

Answer 11

convert a single whole number into a fraction and add to calculation at the start of the fraction (unless no whole numbers available)

Question 12

how to calculate mixed addition and subtraction

Answer 12

same procedure, mixed numbers, LCM add/subtract as necessary

Question 13

what are decimal places?

Answer 13

the number of digits after the decimal point

Question 14

what do you do during multiplcation of decimals?

Answer 14

ignore the decimal point until you have an answer

add the decimals places and put the point into your answer

Question 15

what is a divisor?

Answer 15

the number you are dividing by

Question 16

what is a dividend?

Answer 16

the number being dividied into

Question 17

what can you do to the decimal point when dividing?

Answer 17

moving the decimal point in the divisor to make a whole number whilst moving it in the dividend by the same point and in the same direction

Question 18

What is Mean?

Answer 18

set of data divided by the number of data

Question 19

what is median?

Answer 19

the middle value, or the mean of the middle two values

Question 20

what is mode?

Answer 20

the value that appears the most. (possible to have no mode and more than one mode)

Question 21

what is range?

Answer 21

the difference between the highest value lowest value