![Robot Monsters](/sites/default/files/styles/medium/public/thumbnails/content-id-2404-icon.png?itok=IwqQPq78)
problem
Robot Monsters
Use these head, body and leg pieces to make Robot Monsters which are different heights.
![Find the Difference](/sites/default/files/styles/medium/public/thumbnails/content-id-6227-icon.png?itok=hDfdPHTZ)
problem
Find the Difference
Place the numbers 1 to 6 in the circles so that each number is the difference between the two numbers just below it.
![Which Scripts?](/sites/default/files/styles/medium/public/thumbnails/content-01-05-six1-icon.jpg?itok=iXHHiKpS)
problem
Which Scripts?
There are six numbers written in five different scripts. Can you sort out which is which?
![Maze 100](/sites/default/files/styles/medium/public/thumbnails/content-01-07-bbprob1-icon.gif?itok=CF_g9bk5)
![Reach 100](/sites/default/files/styles/medium/public/thumbnails/content-02-09-penta2-icon.gif?itok=VCjD2daE)
problem
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](/sites/default/files/styles/medium/public/thumbnails/content-02-10-penta5-icon.gif?itok=RIygcdS8)
problem
Factor Lines
Arrange the four number cards on the grid, according to the rules, to make a diagonal, vertical or horizontal line.
![Got It](/sites/default/files/styles/medium/public/thumbnails/content-02-01-game1-icon.png?itok=YpX97D5X)
problem
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.
![Make 37](/sites/default/files/styles/medium/public/thumbnails/content-03-10-penta1-icon.gif?itok=RCFWIUZI)
problem
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?
![Number Lines in Disguise](/sites/default/files/styles/medium/public/thumbnails/content-id-13452-icon.jpg?itok=w1sVtOJy)
problem
Number Lines in Disguise
Some of the numbers have fallen off Becky's number line. Can you figure out what they were?