Grade 6 · Social studies
Reason about specialization and exchange practice
Use a supplied production table to compare feasible choices and gains from a stated exchange.
Opening your practice adventure…
Try a sample
Bea starts with 6 bookmarks, trades 3 of them for 3 cards, and receives nothing else. What bundle does Bea hold?
- 3 cards and 9 bookmarks
- 3 cards and 3 bookmarks
- 0 cards and 6 bookmarks
- 6 cards and 6 bookmarks
See the answer & why
3 cards and 3 bookmarks
Bea retains 3 bookmarks and receives 3 cards.
A little hint: Keep time and quantities consistent, and evaluate the particular trade described rather than assuming every trade benefits everyone.
A teaching tip
Keep time and quantities consistent, and evaluate the particular trade described rather than assuming every trade benefits everyone.