H01 · Optional home job
Draw three imaginary desk packs with five blank labels each and one spare. Write or dictate the total and point to the spare.
Use scrap paper or a private explanation. No purchase, household information or public performance.
Adult teaching after an own try
Answer
3 × 5 + 1 = 16 labels.
Follow
Ask why 3 + 5 + 1 counts different things. Try two packs of five and the same spare: 11 labels.