Students use matchsticks to continue a triangular spatial pattern and write a rule to describe the number needed for each pattern. They then complete a table and a rule to show the relationship between the number of triangles and the number of matchsticks.
For this NEMP task students calculate ratios, fractions, and percentages of numbers to solve problems involving numbers of blue and yellow bears. A sheet of coloured bears is provided.
Students calculate the cost of several cans of soft drinks, the maximum number bought for a given cost, and the change given after buying several cans.