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1st grade · Math · Unit 10 of 16

One Half

Share fairly and find one half!

What your child practices

One half means 1 of 2 equal parts. Children share items fairly between two people and see that two halves make a whole.

Texas Essential Knowledge and Skills (TEKS) teks student expectation: 1.6(G); 1.6(H) · partitioning shapes into equal shares and naming halves

How we explain it

Children can open this short lesson before they practice.

  1. Half means two equal parts.
  2. Both parts must be the same size.
  3. Half of a number is shared by 2 fairly.

Example: What is half of 8? Share 8 between 2. Each gets 4. Answer: 4

One Half in Texas

In the Texas Essential Knowledge and Skills (TEKS), this is unit 10 of 16 in 1st grade Math, after Shapes and before Measuring.

Gradelings describes a child's practice on this unit as Beginning, Approaching, Meeting or Exceeding (Four practice steps). That reflects practice, not a report-card mark: the teacher decides the mark.

Source: Texas Education Agency (TEA)

Sample questions

A taste of this unit. In the app, questions change every time and get easier or harder to match your child.

  1. Question 1

    A ribbon is cut into 2 pieces. When are they halves?

    🎀
    • when both pieces are the same length
    • when one piece is longer
    • when there are 3 pieces

  2. Question 2

    Which one can be shared fairly between 2 people with none left over?

    🍇
    • 9 grapes
    • 7 grapes
    • 8 grapes

  3. Question 3

    What part is shaded?

    • one half
    • the whole thing
    • none of it

  4. Question 4

    6 🍎 are shared fairly by 2 friends. How many each?

    • 2
    • 3
    • 7

  5. Question 5

    16 🍪 are shared fairly by 2 friends. How many each?

    • 8
    • 4
    • 11

  6. Question 6

    What is half of 4?

    • 2
    • 1
    • 5

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