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Subtract Zero or Subtract the Whole
Name:
Date:
Today I am practising: distinguishing zero change from removing an entire quantity
1
Draw 8 dots. Cross out none. Complete 8 − 0 = ___.
2
Draw 8 dots again. Cross out all of them. Complete 8 − 8 = ___.
3
Match 13 − 0 and 13 − 13 to the results 13 and 0. Explain each match.
4
A learner writes 17 − 0 = 0. Tell a story that shows what actually remains.
5
Complete ___ − 12 = 0. Explain how you found the start.
6
Write one story about taking away nothing and one about taking away everything, using a start of 15.
- Act out both situations with the same group of objects.
- Ask what changed and what remained.
- Reinforce that zero can describe the change or the result.