33. I need a new pair of trainers……
Can you help me, I need the best
value!
Shop A Cost £30 with a 30% discount
Shop B Cost £21 with a 12% discount
Shop C Cost £24 with a 35% discount
34. I need a new pair of trainers……
Can you help me, I need the best
value!
Shop A Cost £30 with a 30% discount
Shop B Cost £21 with a 12% discount
Shop C Cost £24 with a 35% discount
Which shop has the cheapest trainers?
35. What have we learned?
•To calculate key percentages mentally
•To use a calculator to find percentages.
36. LO: to Find simple percentages
of small whole number quantities.
6/5/05
56. In pairs: 1st
person say a fraction of 100 2nd
person
work out and write decimal equivalent.
35/100 0.35i.e
57. Haseem has £13.50 to share between 15
people for drinks in a café. What fraction
of the money would each person receive?
58. Haseem has £13.50 to share between 15
people for drinks in a café. What fraction
of the money would each person receive?
How much would each
person receive?
59. Give me two fractions that are
the same as 0.2
60. Are there any other decimals that
have fractions that are both fifths
and tenths?
61. You have been using your
calculator to find an answer. The
answer on the display reads 3.6.
What might this mean?
62. What would you prefer, three
pizzas shared between four people
or six pizzas shared between ten
people?
63. LO: Count on and back in
equal steps, e.g. 25, 100, 0.1,
including beyond 0.
23.06.05
76. At the gym club there are two boys for
every three girls. There are 15 girls at
the club. How many boys are there at
the club?
77. At the gym club there are two boys for
every three girls. There are 12 boys at
the club, how many girls are there?
78. Chicken must be cooked for 50 minutes for
every kg.
How long does it take to cook a 3 kg chicken?
79. A mother seal is fed five fish for every two fish
for its baby. Alice fed the mother seal 15 fish.
How many fish did the baby get? Alice fed the
baby seal eight fish. How many did its mother
get?
80. For every 50p coin Mum gives Dad, he
gives her five 10p coins. Dad gave Mum
25 10p coins. How many 50p coins did
Mum give him?
81. Kate wanted to make some lilac paint.
She used one tin of purple paint to every
three tins of white paint. If she used 16
tins altogether, how many purple tins did
she use?
82. Zara uses three tomatoes for every 1/2
litre of sauce. How much sauce can she
make from 15 tomatoes? How many
tomatoes does she need for 1 litre of
sauce?
83. How many cubes are in each box
and how many cubes of each colour
are there?
Here are some clues:
84. Box 1
There are between 10
and 20 cubes in the
box.
There is one yellow
cube for every four
green cubes.
There is an odd
number of cubes.
1
85. Box 2
There is an even
number of cubes.
There is one red cube
for every two blue
cubes.
There are between 20
and 30 cubes in the
box.
2
86. Box 3
There are two green
cubes for every three
pink cubes.
There is an odd
number of cubes.
There are between 16
and 34 cubes in the
box.
3
87. Box 4
There are between 15
and 40 cubes in the
box.
There is an even
number of cubes.
There are three
yellow cubes for every
four black cubes.
4
92. What have we learned?
•Use, read and write, spelling correctly,
vocabulary to express simple ratios and
proportions;
•Discuss statements such as: John has one
stamp for every two that Mark has;
•Solve simple problems involving ratio and
proportion.
Notas del editor
ess simple ratios and proportions; Discuss statements such as: John has one stamp for every two that Mark has;