Grade 1 · unit review

Review: Read Clocks and Make Equal Shares

Tell hours and half-hours and partition wholes into halves or fourths.

Bring the unit skills together

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Unit review questions
1. The short hand points to 8; the long hand points to 12. What time is shown?
Need a hint?
  • Identify the shorter hour hand before reading its position.
  • At an exact hour, a minute hand at twelve means :00.
2. The short hand is halfway from 8 to 9; the long hand points to 6. What time is shown?
Need a hint?
  • At :30 the hour hand is between two numbers.
  • Use the earlier hour; the next hour has not begun.
3. A drawn card is divided into 2 equal shares. What is one share called?
Need a hint?
  • Check equal area, not only the number of pieces.
  • Unequal pieces do not all receive the same fraction name.
4. Two identical square regions are split into two equal shares and four equal shares. Which single share is larger?
Need a hint?
  • Keep both wholes the same size in the model.
  • A larger denominator means smaller equal pieces of the same whole.

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Use the skills in a new task

Draw 4:30 and divide a rectangle into four equal strips. Explain both uses of a whole split into parts.

Work on paper or in your own document. Explain the choices you made.

  • Draw or label the numbers or shape features the task gives you.
  • Say why each calculation or shape choice follows the ideas in this unit.
  • Check that your answer fits the story or drawing in the task.
Compare with a model response

At 4:30 the minute hand points to 6 and the hour hand is between 4 and 5. Four equal rectangle strips each cover one fourth; together they rebuild the whole.

A different response can also meet the criteria. Compare the evidence and reasoning, rather than copying the wording.