# Resources tagged with: Number bases

### There are 13 results

Broad Topics >

Numbers and the Number System > Number bases

##### Age 7 to 11 Challenge Level:

How would you count the number of fingers in these pictures?

##### Age 7 to 11 Challenge Level:

Investigate the different ways these aliens count in this
challenge. You could start by thinking about how each of them would
write our number 7.

##### Age 7 to 11 Challenge Level:

Well now, what would happen if we lost all the nines in our number
system? Have a go at writing the numbers out in this way and have a
look at the multiplications table.

##### Age 7 to 11 Challenge Level:

Here are many ideas for you to investigate - all linked with the
number 2000.

##### Age 11 to 14 Challenge Level:

This investigation is about happy numbers in the World of the Octopus where all numbers are written in base 8 .Octi the octopus counts.

##### Age 11 to 14 Challenge Level:

This investigation is about happy numbers in the World of the Octopus where all numbers are written in base 8 ... Find all the fixed points and cycles for the happy number sequences in base 8.

##### Age 11 to 14 Challenge Level:

The number 3723(in base 10) is written as 123 in another base. What
is that base?

##### Age 11 to 14 Challenge Level:

There are two forms of counting on Vuvv - Zios count in base 3 and
Zepts count in base 7. One day four of these creatures, two Zios
and two Zepts, sat on the summit of a hill to count the legs of. . . .

##### Age 11 to 18

We are used to writing numbers in base ten, using 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. Eg. 75 means 7 tens and five units. This article explains how numbers can be written in any number base.

##### Age 7 to 16 Challenge Level:

A collection of games on the NIM theme

##### Age 7 to 18

This article for the young and old talks about the origins of our number system and the important role zero has to play in it.

##### Age 11 to 18 Challenge Level:

Using balancing scales what is the least number of weights needed
to weigh all integer masses from 1 to 1000? Placing some of the
weights in the same pan as the object how many are needed?

##### Age 11 to 14 Challenge Level:

A garrison of 600 men has just enough bread ... but, with the news
that the enemy was planning an attack... How many ounces of bread a
day must each man in the garrison be allowed, to hold out 45. . . .