a fraction is part of a whole

$: A fraction is part of a whole$
A fraction is part of a whole.

1

4

numerator (tells you how many parts you are talking about)

denominator (tells you how many equal parts the whole is divided into)

Which ones are correct?

3

5

4

9

1

3

What do these pieces represent?

Colour, cut, and use...

find 4 or more equivalent fractions using your fraction strips

do you see any relationships between the different strips?

what fraction is purple?

how many ways can we say this?

work on FUN FRACTIONS

(hint: knowing your multiplication table will help you with fractions)

we will take up the answers next math lesson

how many fractions can you write for the orange part?

how could we write this?

what fractions can we write for this?

what fraction can we write for the stars?

what fractions can we write for the purple diamonds?

1 7 --- = --- 3 21

equivalent fraction or not?

equivalent

2 10 --- = --- 5 25


equivalent

is this fraction correct?

2--- 6

yes

does the fraction represent the shaded area of the shape?

5--- 3

no

3colour in --- 5

colour in 1/4

4colour in --- (4 out of 12) 12

is 4/5 the correct fraction to represent the green diamonds?

yes

2 --- 3

1--- 1

1--- 2

draw a line to the proper fraction

what fraction are ants? simplify your answer.

2/5

1colour in --- 3

colour in 2/7

colour 2/5 in blue & 1/5 in red


2 6--- = --- 5 15

equivalent

has this fraction been simplified completely?

8 4 2--- = --- = ---20 10 5

yes

colour 1/4 in red & 1/2 in blue

colour in 1/3

what fraction are girls?

3/4

what fraction are bears?

1/6

1colour in --- 5

has this fraction been simplified completely?

12 6 3--- = --- = ---36 18 9

no

colour 4/5 in red & 1/5 in green

what fraction is coloured in?

1/4

3colour in --- 4

3 1 --- = --- 6 3


not equivalent

let's aim at some equivalent fraction targets...

http://www.helpingwithmath.com/resources/games/fraction_game4/equivalent01.html

































































Fractions here, and fractions there. This is all so confusing. So which is more?

- get in groups of 3- get 1 sheet for each group- cut out the pieces- what fraction of the whole square is each piece?- order the fractions from least to greatest- show your work to Miss. Tai

what pattern do you notice?

steps:- find the "common denominator"

remember:- do to the top as you do to the bottom

which is a bigger piece? 2 5--- or --- 5 7

write the correct symbol: >, <, or =

5 3--- --- 8 4


3 4--- --- 6 7


3 4--- ---15 5

write the correct symbol: >, <, or = 2 4--- --- 7 9


6 1--- ---10 10

a)  b)  c)

d)  e)   f)

g)  h)  i)

j)  k)  l) m)  n)  o)

1 1-- --8 2

2 3-- --3 4

5 4-- --6 8

1 1-- --2 3

1 4-- --2 10

2 2-- --4 3

1 1-- --5 10

3 2-- --5 8

3 4-- --6 5

1 1-- --8 4

5 7 -- --10 10

1 8-- --3 10

1 1-- --3 4

3 3-- --4 5

2 6-- --5 10

8--8 1

--2

2--3 3

--4

5--6

3--8

smallest biggest

1--3

1--2

2--3

3--4

4 --10

5--5

smallest biggest

1 --10

1--5

2--8

3--6

3--5

4--5

smallest

biggest

1 -- 41

--8

7 --10

1--3

5 --10

6 --10

smallest

biggest

1 -- 4

1--3

3--5

2--5

3--4

9 --10

smallest biggest

Take 30 minutes to work through your workbook p. 69 1-5

(shhhhhhh, if you can manage to work quietly, you may work in pairs - but if the noise level

rises 2 notches, you will have to work individually)

what is a fraction?

a piece of a whole thing

numerator is smaller than denominator

1

5

what if:

the numerator is LARGER than the denominator?

5

3

improper fraction

mixed fraction

5

3

12

3

improper fraction

mixed fraction

14

3

4 2

3

What you need:

- paper to write on- pencil- eraser- to work hard

Roles for today:

person with longest hair: in charge of picking up and returning Pattern Blocks from the container

person with the biggest shoe size: in charge of recording answers for group

person with the next birthday: in charge of making sure their group is doing the task at hand (very important role)

How many are covered?

Write a mixed number and improper fraction for each.

1. 7 triangles

2. 11 triangles

3. 2 triangles

4. 8 triangles

5. 21 triangles

Switch roles now please...

1. 2 triangles

2. 9 triangles

3. 4 triangles

4. 10 triangles

5. 19 triangles


Write a mixed number, improper fraction, and picture for each.

Switch roles again please...


Write a mixed number, improper fraction, and picture for each.

1. 3 triangles

2. 6 triangles

3. 9 triangles

4. 21 triangles

5. 12 triangles

Switch roles again please...

If is a whole, show:

1. 4

2. 3

3. 1

4. 2

5. 3

1--3

2--3

2--3

1--3

5

3

improper fraction mixed fraction

1 2

3


10

3


24

5

improper fractionmixed fraction

2 2

3

adding fractions...

- find the common (same) denominator- add the numerators- change to MIXED fraction


2

5+

3

6


7

8

2

5+

subtracting fractions...

- find the common (same) denominator- subtract the numerators- change to MIXED fraction


5

7

2

14-

- find the common (same) denominator- subtract the whole numbers then the numerators4 3

43 1

2-

- find the common (same) denominator- subtract the whole numbers then the numerators

BUT what if the numerator is not enough to subtract from?

52

54 4

5-


4

16

1

8-

- find the common (same) denominator- subtract the whole numbers then the numerators 3 1

2 1 2

3-

2 3

41 4

5+

3 2

51 2

3-

45

62 3

4-

44

56

3

4+

don't forget to SIMPLIFY if you can

x denominators

x numerators

multiplying fractions...

2

5

3

7


3

4

5

10x

4

7

6

8x

8

9

4

7

x

x

10

12

4

7


multiplying mixed fractions...

change to improper fraction, then multiply

3 2

5x

6

5


change to improper fraction, then multiply2 1

31 2

3x

4 2

3 3 5

6x

cross multiply

dividing fractions...

3

5

7

9


cross multiply


5

7

3

5

4

9

6

7

2 4

53 1

3

change to improper fraction, then cross multiply


3 5

67 2

3

81

52 4

7

x21

34 1

5

5 3

73 6

9x

solve:


A crate of apples contains 8 apples. Miss.Tai gives 1 apple per student. She ends up giving

away 3 boxes. How many students did she

give apples to?

1--2

Denzel ate 4 of pizza. Randall ate 6 of pizza. How much more pizza did Randall eat?

3

8

2

5

Kat ate 5 chocolate bars in a week and Desiree ate 7 . How many did they eat in total?

2

31

8

Bennett read 58 of his book in 1 week. How many pages did he read, on average each day?

1

3

River brought 5 cakes to the birthday party last night. If 1 were eaten, what fraction of cake is left?

1

2

If each cake was cut into 6 pieces, how many slices are left?

a fraction is part of a whole

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