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1st grade · Math · Unit 11 of 14

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.

Maine Learning Results learning standard: 1.G.A.3 · partitioning circles and rectangles 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 Maine

In the Maine Learning Results, this is unit 11 of 14 in 1st grade Math, after Count It Up and before Hour & Half Hour.

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: Maine Department of Education

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

    8 ⚽ are shared fairly by 2 friends. How many each?

    • 9
    • 7
    • 4

  2. Question 2

    7 cookies are shared by 2 friends. How many are left over?

    • 2
    • 0
    • 1

  3. Question 3

    Which words mean the same as “half”?

    • one of two equal parts
    • two wholes
    • one of five parts

  4. Question 4

    Two friends share a pizza fairly. How many equal parts?

    🍕
    • 2
    • 5
    • 1

  5. Question 5

    A sheet of paper is folded exactly in half. How many parts?

    📄
    • 10 equal parts
    • 3 equal parts
    • 2 equal parts

  6. Question 6

    What is half of 14?

    • 8
    • 7
    • 2

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