This activity is a calculator game. There are two versions (one based on addition and one on multiplication), and full instructions are provided on the worksheets which can be found by clicking on the links below:

+ + +Line of Four - Addition + + +

x x x Line of Four - Multiplication x x x

Margaret Jones has also contributed some modified version of this game. They are based on multiplication, and can be found at the links below:

Line of Four - Multiplication - Year 4

Line of Four - Multiplication - Year 5

Line of Four - Multiplication - Year 6