Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.
Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?
Investigate which numbers make these lights come on. What is the smallest number you can find that lights up all the lights?
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?
In this town, houses are built with one room for each person. There are some families of seven people living in the town. In how many different ways can they build their houses?
Can you arrange these numbers into 7 subsets, each of three numbers, so that when the numbers in each are added together, they make seven consecutive numbers?
Investigate what happens to the equation of different lines when you translate them. Try to predict what will happen. Explain your findings.
Investigate what happens to the equations of different lines when you reflect them in one of the axes. Try to predict what will happen. Explain your findings.
The computer has made a rectangle and will tell you the number of spots it uses in total. Can you find out where the rectangle is?
