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4th grade · Math · Unit 9 of 15

Fractions

Halves to tenths

What your child practices

Reading and naming fractions from halves to tenths, counting by fractions, comparing them, and seeing 3 × 1/4 as three fourths.

California Content Standards learning standard: 4.NF.3; 4.NF.4 · building fractions from unit fractions and multiplying a fraction by a whole number

How we explain it

Children can open this short lesson before they practice.

  1. Count by fractions like counting by 1s: 1/4, 2/4, 3/4.
  2. The bottom number tells the size of the parts.
  3. Repeated addition is multiplication: 3 groups of 2/5.

Example: Count by fourths: 1/4, 2/4, 3/4, what comes next? The top number grows by 1. 4/4 is one whole. Answer: 4/4

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

    Count by fourths. What comes next?

    1/4, 2/4,

    • 4/4
    • 2/5
    • 3/4

  2. Question 2

    What fraction of the shape is shaded?

    • 1/4
    • 2/4
    • 3/4

  3. Question 3

    Which fraction is equal to 1/4?

    • 3/8
    • 1/8
    • 2/8

  4. Question 4

    In 3/4, what does the 4 tell you?

    • how many wholes there are
    • how many parts are shaded
    • how many equal parts make a whole

  5. Question 5

    Count by fifths. What comes next?

    1/5, 2/5,

    • 3/5
    • 2/6
    • 4/5

  6. Question 6

    What fraction of the shape is shaded?

    • 1/3
    • 2/3

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