List

Primary Students' solutions

Take a look at these recently solved problems.

Doubling Fives
problem
Favourite

Doubling fives

Age
5 to 7
Challenge level
filled star empty star empty star

This activity focuses on doubling multiples of five.

Square split into a triangle and trapezium
problem
Favourite

Tangram tangle

Age
5 to 7
Challenge level
filled star filled star filled star

If you split the square into these two pieces, it is possible to fit the pieces together again to make a new shape. How many new shapes can you make?

Got It
problem
Favourite

Got it

Age
7 to 14
Challenge level
filled star filled star empty star

A game for two people, or play online. Given a target number, say 23, and a range of numbers to choose from, say 1-4, players take it in turns to add to the running total to hit their target.

Button-Up Some More
problem
Favourite

Button-up some more

Age
7 to 11
Challenge level
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How many ways can you find to do up all four buttons on my coat? How about if I had five buttons? Six ...?

Two and Two
problem
Favourite

Two and two

Age
7 to 16
Challenge level
filled star filled star filled star

How many solutions can you find to this sum? Each of the different letters stands for a different number.

Domino Magic Rectangle
game

Domino magic rectangle

An ordinary set of dominoes can be laid out as a 7 by 4 magic rectangle in which all the spots in all the columns add to 24, while those in the rows add to 42. Try it! Now try the magic square...