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Assess Yourself

How well do you understand the ideas in this lesson?

Goal:

Goal:

Show What You Know!

Are you ready to take this lesson's quiz? These questions will help you find out. Go back to the lesson if you do not know an answer.

Which circle shows 1 half colored in?

  1. Circle with ¼ shaded
  2. Circle with 1/12 shaded

Yes! Halves are 2 equal parts. 1 half of the circle is colored in.

Sorry, that is incorrect. Halves are 2 equal parts that make 1 whole. 1 half is one of the 2 equal parts.

Sorry, that is incorrect. Halves are 2 equal parts that make 1 whole. 1 half is one of the 2 equal parts.

Which rectangle shows 1 half colored in?

  1. Rectangle with ¼ shaded
  2. Rectangle with 1/16 shaded

Sorry, that is incorrect. Halves are 2 equal parts that make 1 whole. 1 half is one of the 2 equal parts.

Sorry, that is incorrect. Halves are 2 equal parts that make 1 whole. 1 half is one of the 2 equal parts.

Great job! Halves are 2 equal parts. 1 half of the rectangle is colored in.

Which of these shapes has 1 half shaded?

  1. Octagon with ¼ shaded
  2. Star that is completely shaded, showing one whole shape

Wonderful! The shaded part and the non-shaded part are equal in size.

Sorry, that is incorrect. A shape is half shaded when the shaded part and the non-shaded part are equal in size.

Sorry, that is incorrect. A shape is half shaded when the shaded part and the non-shaded part are equal in size.

Which shape is divided into halves?

  1. Triangle with 1/3 shaded
  2. Triangle with 1/6 shaded

Sorry, that is incorrect. Halves are 2 equal parts that make 1 whole.

Sorry, that is incorrect. Halves are 2 equal parts that make 1 whole.

Great! Halves are 2 equal parts.

Which shape shows 2 halves?

  1. Rectangle split into 4 even parts
  2. Circle split into 5 equal parts

Sorry, that is incorrect. Halves are 2 equal parts that make 1 whole.

Nice! Halves are 2 equal parts. The shape you selected has 2 equal parts.

Sorry, that is incorrect. Halves are 2 equal parts that make 1 whole.

You have only 1 apple and want to share it with a friend. You can share it equally by cutting the apple in ____.

  1. 9 parts
  2. whole

Sorry, that is not right. To share 1 apple equally with someone, you must cut it in half to get 2 equal parts.

Good job! If you are sharing an apple with 1 person, you need 2 equal parts, so you need to cut the apple in half.

Sorry, that is not right. To share 1 apple equally with someone, you must cut it in half to get 2 equal parts.

Which picture shows half a grapefruit?

  1. Small piece of grapefruit
  2. Whole grapefruit

Yes! That is half a grapefruit because another piece of the same size would make 1 whole grapefruit.

Sorry, that is incorrect. Imagine 2 pieces of equal size that make 1 whole grapefruit.

Sorry, that is incorrect. Imagine 2 pieces of equal size that make 1 whole grapefruit.

Which picture shows half a watermelon?

  1. Whole watermelon
  2. Small piece of watermelon

Sorry, that is incorrect. Imagine 2 pieces of equal size that make 1 whole watermelon.

Sorry, that is incorrect. Imagine 2 pieces of equal size that make 1 whole watermelon.

Great job! That is half a watermelon because another piece of the same size would make 1 whole watermelon.

How many halves can a shape have?

  1. 1
  2. 4

Sorry, that is not right. Halves are 2 parts of equal size that make 1 whole.

Sorry, that is not right. Halves are 2 parts of equal size that make 1 whole.

Great! Halves are 2 equal parts that make 1 whole.

What are two halves equal to?

  1. 1 half
  2. 5 wholes

Sorry, that is incorrect. 2 halves equal 1 whole.

Correct! 2 halves equal 1 whole.

Sorry, that is incorrect. 2 halves equal 1 whole.

Summary

Questions answered correctly:

Questions answered incorrectly: