Logic & Code-Breaking Puzzle Book

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Contents

Logic & Code-Breaking Puzzle Book
Colour a star each time you finish a page!
1
Number sequences
2
Number sequences
3
Number sequences
4
Binary numbers
5
Binary numbers
6
Binary and hexadecimal
7
Caesar cipher
8
Caesar cipher
9
Caesar cipher
10
Odd one out
11
Odd one out
12
Odd one out
13
Sudoku 9×9
14
Sudoku 9×9
15
Maze
16
Picture crossword
17
Mind map
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Number sequences

Find the next number in each sequence.
Name

Number sequences

Name:
Date:
1.58, 51, 44, 37, 30, ?
2.4, 8, 16, 32, 64, ?
3.29, 36, 43, 50, 57, ?
4.20, 26, 32, 38, 44, ?
5.30, 32, 34, 36, 38, ?
6.56, 47, 38, 29, 20, ?
7.26, 24, 22, 20, 18, ?
8.25, 32, 39, 46, 53, ?
9.21, 18, 15, 12, 9, ?
10.5, 7, 9, 11, 13, ?
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Logic & Code-Breaking Puzzle Book1crayonbird.com

Number sequences

Find the next number in each sequence.
Name

Number sequences

Name:
Date:
1.7, 24, 8, 20, 9, 16, ?
2.15, 30, 45, 60, 75, ?
3.5, 7, 12, 19, 31, ?
4.9, 16, 25, 36, 49, ?
5.27, 35, 43, 51, 59, ?
6.25, 36, 49, 64, 81, ?
7.10, 15, 21, 28, 36, ?
8.21, 28, 36, 45, 55, ?
9.15, 21, 28, 36, 45, ?
10.36, 49, 64, 81, 100, ?
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Logic & Code-Breaking Puzzle Book2crayonbird.com

Number sequences

Find the next number in each sequence.
Name

Number sequences

Name:
Date:
1.38, 51, 66, 83, 102, ?
2.8, 27, 64, 125, 216, ?
3.18, 23, 31, 42, 56, ?
4.6, 10, 15, 21, 28, ?
5.4, 6, 10, 16, 26, ?
6.3, 6, 12, 24, 48, ?
7.8, 31, 18, 30, 28, 29, ?
8.4, 13, 17, 30, 47, ?
9.5, 9, 16, 26, 39, ?
10.10, 15, 21, 28, 36, ?
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Logic & Code-Breaking Puzzle Book3crayonbird.com

Binary numbers

Convert each number between number systems.
Name

Binary numbers

Name:
Date:
1.Write 5 in binary.
2.Write 3 in binary.
3.Convert the binary number 0111 to decimal.
4.Convert the binary number 1100 to decimal.
5.Write 6 in binary.
6.Write 1 in binary.
7.Convert the binary number 1000 to decimal.
8.Write 15 in binary.
9.Write 10 in binary.
10.Convert the binary number 1101 to decimal.
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Logic & Code-Breaking Puzzle Book4crayonbird.com

Binary numbers

Convert each number between number systems.
Name

Binary numbers

Name:
Date:
1.Convert the binary number 11100011 to decimal.
2.Convert the binary number 01000100 to decimal.
3.Write 29 in binary.
4.Convert the binary number 10110010 to decimal.
5.Write 177 in binary.
6.Convert the binary number 01101001 to decimal.
7.Write 18 in binary.
8.Write 231 in binary.
9.Convert the binary number 11101100 to decimal.
10.Write 116 in binary.
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Logic & Code-Breaking Puzzle Book5crayonbird.com

Binary and hexadecimal

Convert each number between number systems.
Name

Binary and hexadecimal

Name:
Date:
1.Convert the hexadecimal number 68 to decimal.
2.Write 36 in hexadecimal.
3.Write 239 in binary.
4.Convert the binary number 10101001 to decimal.
5.Write 97 in hexadecimal.
6.Write 162 in binary.
7.Write 152 in hexadecimal.
8.Convert the binary number 01000011 to decimal.
9.Write 53 in hexadecimal.
10.Write 127 in binary.
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Logic & Code-Breaking Puzzle Book6crayonbird.com

Caesar cipher

Each word was encoded by moving every letter forward in the alphabet by the shift shown (after Z comes A again). Move each letter back to decode it.
Name

Caesar cipher

Name:
Date:
1.Decode UPQY (shift 2)
2.Decode DTQYP (shift 2)
3.Decode IFBE (shift 1)
4.Decode DBU (shift 1)
5.Decode HSFFO (shift 1)
6.Decode PSCJU (shift 1)
7.Decode CMVF (shift 1)
8.Decode MFNPO (shift 1)
9.Decode TVO (shift 1)
10.Decode TIFMM (shift 1)
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Logic & Code-Breaking Puzzle Book7crayonbird.com

Caesar cipher

Each word was encoded by moving every letter forward in the alphabet by the shift shown (after Z comes A again). Move each letter back to decode it.
Name

Caesar cipher

Name:
Date:
1.Decode NZWO (shift 8)
2.Decode OZIXM (shift 8)
3.Decode ZKLWH (shift 3)
4.Decode NBST (shift 1)
5.Decode INKXXE (shift 6)
6.Decode GFSFSF (shift 5)
7.Decode OHPRQ (shift 3)
8.Decode BNSI (shift 5)
9.Decode GMTTWE (shift 8)
10.Decode TWFSLJ (shift 5)
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Logic & Code-Breaking Puzzle Book8crayonbird.com

Caesar cipher

Each word was encoded by moving every letter forward in the alphabet by the shift shown (after Z comes A again). Move each letter back to decode it.
Name

Caesar cipher

Name:
Date:
1.Decode IRZEP (shift 17)
2.Decode NSLTC (shift 11)
3.Decode VFUWE (shift 20)
4.Decode WBYWSL (shift 7)
5.Decode WUYMH (shift 4)
6.Decode VEHNW (shift 19)
7.Decode RJQTS (shift 5)
8.Decode GRGVI (shift 17)
9.Decode KMVEJJI (shift 4)
10.Decode KNARSDQ (shift 25)
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Logic & Code-Breaking Puzzle Book9crayonbird.com

Odd one out

Find the number that does not belong with the other three.
Name

Odd one out

Name:
Date:
1.Odd one out: 15, 35, 28, 42
15352842
2.Odd one out: 39, 10, 30, 44
39103044
3.Odd one out: 21, 35, 28, 30
21352830
4.Odd one out: 16, 11, 4, 32
1611432
5.Odd one out: 22, 26, 46, 45
22264645
6.Odd one out: 44, 12, 35, 48
44123548
7.Odd one out: 46, 22, 39, 8
4622398
8.Odd one out: 26, 31, 18, 6
2631186
9.Odd one out: 40, 20, 12, 39
40201239
10.Odd one out: 7, 34, 42, 24
7344224
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Logic & Code-Breaking Puzzle Book10crayonbird.com

Odd one out

Find the number that does not belong with the other three.
Name

Odd one out

Name:
Date:
1.Odd one out: 18, 63, 82, 94
18638294
2.Odd one out: 64, 81, 36, 61
64813661
3.Odd one out: 18, 32, 47, 12
18324712
4.Odd one out: 70, 21, 63, 40
70216340
5.Odd one out: 28, 98, 9, 91
2898991
6.Odd one out: 92, 19, 6, 24
9219624
7.Odd one out: 99, 28, 14, 91
99281491
8.Odd one out: 100, 25, 4, 29
10025429
9.Odd one out: 14, 56, 69, 28
14566928
10.Odd one out: 62, 77, 86, 58
62778658
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Logic & Code-Breaking Puzzle Book11crayonbird.com

Odd one out

Find the number that does not belong with the other three.
Name

Odd one out

Name:
Date:
1.Odd one out: 64, 4, 16, 127
64416127
2.Odd one out: 144, 36, 110, 100
14436110100
3.Odd one out: 92, 2, 97, 23
9229723
4.Odd one out: 97, 53, 12, 17
97531217
5.Odd one out: 48, 108, 88, 59
481088859
6.Odd one out: 5, 47, 100, 97
54710097
7.Odd one out: 81, 121, 49, 84
811214984
8.Odd one out: 119, 77, 74, 133
1197774133
9.Odd one out: 71, 100, 107, 61
7110010761
10.Odd one out: 133, 91, 119, 5
133911195
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Logic & Code-Breaking Puzzle Book12crayonbird.com

Sudoku 9×9

Fill the grid so every row, column and box has each number from 1 to 9 once.
Name

Sudoku 9×9

Name:
Date:
8915472
4238
8
14765
8
294
1678
957
5846
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Logic & Code-Breaking Puzzle Book13crayonbird.com

Sudoku 9×9

Fill the grid so every row, column and box has each number from 1 to 9 once.
Name

Sudoku 9×9

Name:
Date:
4352
68
594
14
2579
39
734289
6
531
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Logic & Code-Breaking Puzzle Book14crayonbird.com

Maze

Find the way from Start to Finish.
Name

Maze

Name:
Date:
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Logic & Code-Breaking Puzzle Book15crayonbird.com

Picture crossword

Look at each picture and write its name in the grid, one letter in each box.
Name

Picture crossword

Name:
Date:
12345678
Across
(10)
(7)
(10)
Down
(10)
(10)
(10)
(9)
(9)
(9)
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Logic & Code-Breaking Puzzle Book16crayonbird.com

Mind map

Put the topic in the middle and branch out with ideas, facts and links.
Name

Mind map

Name:
Date:
Logic & Code-Breaking Puzzle Book17crayonbird.com

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