Robot monsters
Use these head, body and leg pieces to make Robot Monsters which are different heights.
Make 37
Four bags contain a large number of 1s, 3s, 5s and 7s. Can you pick any ten numbers from the bags so that their total is 37?
Find the difference
Factors and multiples game
A game in which players take it in turns to choose a number. Can you block your opponent?
Which scripts?
Reach 100
Choose four different digits from 1-9 and put one in each box so that the resulting four two-digit numbers add to a total of 100.
Factor lines
Arrange the four number cards on the grid, according to the rules, to make a diagonal, vertical or horizontal line.
Got it
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.
Number lines in disguise
Maze 100
Two and two
How many solutions can you find to this sum? Each of the different letters stands for a different number.