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1. Week beginning 18/05/2020
WALT: solve correspondence and logic puzzles

2. Hello Year 4! This week’s maths is slightly different...
On the following slides, there are a number of different puzzles for you to solve throughout the
week. You need to work in a logical way, thinking carefully about the best way to solve each one.
Some are best worked through using a system, others are more about trial and error.
Different puzzles require different kinds of thinking.
You don’t have to do them in order. You might choose to skip over a puzzle one day and come
back to it later in the week.
The answers for each puzzle are on the following slide. You may be able to come up with another
correct answer that is not on the answer slide.
It’s also important to keep up your times table practice, using maths shed, top marks or maths
frame throughout the week.
Enjoy!

3. Joel bought a balloon at the circus. He paid with 2 different coins. How much
could Joel have paid? Write all the possible combinations.
Puzzle One

4. Puzzle One- ANSWER
1p + 2p = 3p
1p + 5p = 6p
1p + 10p = 11p
1p + 20p = 21p
1p + 50p = 51p
1p + £1.00 = £1.01
1p + £2.00 = £2.01
2p + 5p = 7p
2p + 10p = 12p
2p + 20p = 22p
2p + 50p = 52p
2p + £1.00 = £1.02
2p + £2.00 = £2.02
5p + 10p = 15p
5p + 20p = 25p
5p + 50p = 55p
5p + £1.00 = £1.05
5p + £2.00 = £2.05
10p + 20p = 30p
10p + 50p = 60p
10p + £1.00 = £1.10
10p + £2.00 = £2.10
20p + 50p = 70p
20p + £1.00 = £1.20
20p + £2.00 = £2.20
50p + £1.00 = £1.50
50p + £2.00 = £2.50
£1.00 + £2.00 = £ 3.00

5. An ice cream shop serves 4 flavours of ice cream- strawberry, vanilla, chocolate
and mint. A customer wants two scoops of two different flavour ice creams.
What are all the different combinations they could order? Draw each possible
combination using pink for strawberry, yellow for vanilla, brown for chocolate
and green for mint.
The shop gets a new flavour of ice cream- caramel. Now they have 5 flavours, if
a customer wants two scoops of two different flavour ice creams, what are all
the different combinations they could order? Draw each possible combination
using pink for strawberry, yellow for vanilla, brown for chocolate, green for
mint and orange for caramel.
Puzzle Two

6. 4 Flavours
S V
S CH
S M
V CH
V M
CH M
Puzzle Two- ANSWER
5 Flavours
S V
S CH
S M
S C
V CH
V M
V C
CH M
CH C
M C

7. A set of ten cards, each showing one of the digits from 0 to 9, is
divided up between five envelopes so that there are two cards
in each envelope. The sum of the cards inside it is written on
each envelope:
Which numbers could be inside the envelopes?
Puzzle Three

8. Puzzle Three- ANSWERS
5 + 2 7 + 1 9 + 4 8 + 6 3 + 0
3 + 4 0 + 8 6 + 7 5 + 9 1 + 2
OR

9. Puzzle 4

10. Puzzle 4 - Answer
Spider- Tina
Curly- Mark
Ace- Dawn
Fudgy- Josh

11. Puzzle 5

12. Puzzle 5 - Answer
Cat 1 = 5kg
Cat 2 = 2kg
Cat 3 = 6kg

13. Puzzle 6

14. Puzzle 6- ANSWER

15. Puzzle 7

16. Puzzle 7- ANSWER
1
3
6
4
2
5

17. Puzzle 8

18. Puzzle 8 - ANSWER
8 + 7 + 4 + 1 = 20
8 + 7 + 3 + 2 = 20
8 + 6 + 5 + 1 = 20
8 + 6 + 4 + 2 = 20
8 + 5 + 4 + 3 = 20
7 + 6 + 5 + 2 = 20
7 + 6 + 4 + 3 = 20
8 + 7 + 1 = 16
8 + 6 + 2 = 16
8 + 5 + 3 = 16
7 + 6 + 3 = 16
7 + 5 + 4 = 16

19. Puzzle 9

20. Puzzle 9- ANSWER
21, 3, 1
19, 5, 1
17, 5, 3
17, 7, 1
15, 7, 3
15, 9, 1
13, 11, 1
13, 9, 3
13, 7, 5
11, 9, 5

21. Puzzle 10

22. Puzzle 10- ANSWER
5 tripods (15 legs) + 4 bipods (8 legs) = 23 legs
3 tripods (9 legs) + 7 bipods (14 legs) = 23 legs

23. Puzzle 11

24. Puzzle 11- ANSWER
= 5
= 8
= 6
27
27
28
2522

25. Puzzle 12
In sudoku, every row, column and box needs to contain 1 of each
number in the puzzle. The number cannot be repeated. For example, if
there is a 5 in a row, there cannot be any more 5s in the same row,
column or box.
Have a go at a sudoku puzzle on the website below
https://www.kidsmathgamesonline.com/sudoku/easysudoku.html