Use the amounts given. You may draw, write an equation or explain aloud as agreed with your teacher. Include labels so someone else can follow your thinking.
1. There are 18 counters in 3 equal groups. How many counters are in each group? Show or explain what 18, 3 and your answer mean.
2. A short strip is 4 cm long. A long strip is 12 cm long. Complete both descriptions: the long strip is ___ times as long; it is ___ cm longer. Explain why the answers differ.
3. A 2 m length of ribbon is shared equally among 3 projects. Ribbon may be cut. How much ribbon does each project receive? Label the amount and explain how you know the shares are equal.