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Kindergarten · unit review

Review: Build Teen Numbers from Ten and More

Compose and record eleven through nineteen as a full ten and extra ones.

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Bring the unit skills together

Use these 4 new cases to check your reasoning. Choices are temporary and are not saved to an account, sent to staff or recorded as school grades. Download your current review choices before leaving or reloading.

Unit review questions
1. You circle ten of 16 marks. How many extra ones are outside the circle?
Need a hint?
  • Count exactly ten marks inside the circle.
  • Do not count the grouping circle as another object.
2. A drawing has one full ten and 6 extra ones. What is the whole number?
Need a hint?
  • Say the extras separately from the whole.
  • Ten plus six is sixteen, not six.
3. The whole is 15; 5 extra ones are shown. How many marks belong in the missing full group?
Need a hint?
  • A group of ten contains ten actual marks.
  • The 1 in the teen numeral is not a count of one total object.
4. A drawing has ten and 7 extras but is labeled 16. What label fits the unchanged drawing?
Need a hint?
  • Check the drawing before trusting its label.
  • Repairing the label keeps all original marks unchanged.

The download contains your current choices and any checked feedback. Keep the separate transfer-task work in your own document; downloading its instructions does not mark it complete.

Use the skills in a new task

Make 17 marks, circle exactly ten, and record how the whole is built.

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

Seventeen is a full group of ten and seven extra ones: 17 = 10 + 7. The circled ten contains ten separate original marks.

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