Calculagrams



These are really fun puzzles and they help children to increase their calculator
skills.  When you have all numbers correctly entered into your calculator,
turn it around and if everything went ok you should be able to
read the answer to the question in purple. Some of the
letters look a bit different, but you will be
able to make sense of it.


1= i, 2=z, 3=E, 4=h, 5=s, 6=g, 7=L, 8=B, 9=G, 0=o
FLOOR=round off to whole integer

1. What were Albert Einstein's first words?      Answer
step 1: Enter
step 2: minus
step 3: times
step 4: minus
step 5: divide by
=
The first five counting numbers.
12,186
The number of seasons in a year.
Thirty-five and four-tenths.
(500x20)
Turn your calculator.

 
2.  What do you get if brown paint is mixed with white paint?   Answer
step 1: Enter
step 2: add
step 3: divide by
step 4: add
step 5: times
=
The missing number, 3, 36, 432, ?
12816
(16000/8000)
34 and five-tenths.
(16 x 0.25)
Turn your calculator.
 
3.  What is a British Police Officer also called?     Answer
step 1: Enter
step 2: minus
step 3: add
step 4: times
step 5: times
=
The missing number,  30, 32, 36, 42, ..?
Elf
0.851
The degrees Celsius to boil water.
(400/50)
Turn your calculator.
 
4.  Something to do, if you've got some free time.     Answer
step 1: Enter
step 2: times
step 3: add
step 4: times
step 5: add
step 6: times
=
Days in a fortnight.
The number of cents in a dime.
8.505
Two
(500 x 26)
The number of years in four centuries.
Turn your calculator
 
5.  The 7 Dwarves' favourite song...      Answer 
step 1: Enter
step 2: times
step 3: add
step 4: divide by
=
The number of blackbirds baked in a pie.
69
0.1656
FLOOR(63.25^2)
Turn your calculator
 
6.  Dog directions...     Answer
step 1: Enter
step 2: times
step 3: minus
step 4: times
=
The number of different chemicals in DNA.
D
533.2
V
Turn your calculator.
 
7. Protection spectacles.     Answer
step 1: Enter
step 2: times
step 3: add
=
The reverse of the number that spells "ehh".
5^6
SQRT(2579236)
Turn your calculator.

 
8.  What often lounges in big hotels?      Answer
step 1: Enter
step 2: add
step 3: minus
step 4: times
step 5: add
=
-8
348^2
The chromosomes in a human cell x 8.
2T
XL
Turn your calculator.
 
9.  Extremely evil or cruel.      Answer
step 1: Enter
step 2: add
step 3: times
step 4: add
=
(DLIV x VIII)
1.5
The number of faces on Mount Rushmore.
(D x IX x M)
Turn your calculator.

 
10.  Viscous liquid under attack.      Answer
step 1: Enter
step 2: times
step 3: add
step 4: minus
=
The number in a baker's dozen plus two.
Two times twice an eighth of a tenth of a Grand.
0.77345
For tea
Turn your calculator.

 
11.  I hope you can read all this...      Answer 
step 1: Enter
step 2: add
step 3: times
step 4: times
step 5: add
step 6: times
=
The number of trombones in the Music Man.
3.0925
IV
A score
750 thousand
The number of events in a pentathlon.
Turn your calculator.
 
12.  Parts of a fish.     Answer
step 1: Enter
step 2: add
step 3: times
step 4: add
=
The missing number, 33, 41, 50, 60, ?, 83.
1.1450
CCM
0.514
Turn your calculator.
 
13.  A man's wife is...     Answer
step 1: Enter
step 2: add
step 3: minus
step 4: divide by
step 5: add
=
3^3
0.028
(LX - L)
The decimal equivalent of binary 10.
(MC x V)
Turn your calculator.
 
14.  In need of gas...     Answer
step 1: Enter
step 2: times
step 3: add
=
Sqrt(sqrt(sqrt(6561)))
236.5851
0.05 x 6
Turn your calculator.
 
15.  What is the longest word you can find on a turned calculator...
Contrived words are allowed too
found so far:
Answers

 


 


If  you know other puzzles one can do with a calculator, please let me know.   Authors:  Thomas Camilli,  Hagar Hagarson, and Mickey Moten; modified by Gijsbert van Uden.

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