Ks3 Mathematics Level 4 Answers - Mental Arithmetic Questions Page 6
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20Caribbean cordial
Throwing dice
6
5
Here are the ingredients for a cordial used to make a drink.
Some pupils throw two fair six-sided dice. Each dice is
4
numbered 1 to 6. One dice is blue. The other dice is red.
red
×
3
Anna’s dice show blue 5, red 3. Her total score is 8.
25 is half of 50
50g ginger
2
The cross on the grid shows her throw.
(which is the
1
amount in the
1 lemon
1
2
3
4
5
6
original recipe),
blue
so half the
1.5 litres of water
6
amounts of
(a)
Carl’s total score is 6. What numbers could Carl’s
X
5
dice show? Put crosses on the gird to show all the
everything!
900g sugar
4
different pairs of numbers Carl’s dice could show.
red
X
3
X
2
X
(a)
Jenny is going to make this cordial with 25g of ginger.
1
How much lemon, water and sugar should she use?
1
2
3
4
5
6
2 marks
blue
(b)
The pupils play a game.
25g
ginger
X
6
Winning rule:
Win a point if the number
X
1
5
on the blue dice is
X
4
2
3
red
the same as the number on
............
lemon
X
3
OR
the red dice.
X
4
2
X
1
0.75
Put crosses on the grid to show all the different
............
litres of water
1
2
3
4
5
6
winning throws.
blue
2 marks
450
..........g
sugar
(c)
The pupils play a different game. The grid
×
6
shows all the different winning throws.
×
5
3 marks
×
4
red
×
3
1
2
(b)
The finished drink should be
cordial and
water .
×
2
3
3
1
Jenny puts 100 ml of cordial in a glass.
1
2
3
4
5
6
How much water should she put with it?
blue
Complete the sentence below to show the winning rule.
If one third is 100 ml, then two
thirds must be twice this!
Winning rule:
Win a point if the number on the blue dice is
200
.........................ml
One more than the number on the red dice
......................................................................
1 mark
1 mark
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