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🍕 3rd grade math · Fractions & Decimals

Same amount, new name

Equal fractions land on the same spot on the number line.

Worked example

The dot is at 1/2 on the top number line. Which fraction names the same spot on the bottom line, which is cut into fourths?
01011/2
Answer: 2/4
Follow the dotted line down. It lands on the 2th mark of the bottom line, which has 4 equal parts: 2/4. So 1/2 = 2/4. Answer: 2/4.

For grown-ups: Equivalent fractions in simple cases (½ = 2/4) with models. Below: three problems to try with the worked answers, and a free printable sheet. Children can practise the same skill as a game, with no sign-up and no ads.

  • CCSS 3.NF.A.3a
What this practises, for teachers

Practices equivalent fractions in simple cases (½ = 2/4) with models (3.NF.A.3a). A printable sheet with its answer key, worked answers on the page, no accounts.

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For your class

🖨️ Printable sheet and key

On the board with this skill:

More printables, with answer keys, for this grade:

Try three

  1. The dot is at 3/4 on the top number line. Which fraction names the same spot on the bottom line, which is cut into eighths?
    01013/4
    Show the answer and how
    Answer: 6/8
    Follow the dotted line down. It lands on the 6th mark of the bottom line, which has 8 equal parts: 6/8. So 3/4 = 6/8. Answer: 6/8.
  2. The dot is at 1/2 on the top number line. Which fraction names the same spot on the bottom line, which is cut into eighths?
    01011/2
    Show the answer and how
    Answer: 4/8
    Follow the dotted line down. It lands on the 4th mark of the bottom line, which has 8 equal parts: 4/8. So 1/2 = 4/8. Answer: 4/8.
  3. The dot is at 1/2 on the top number line. Which fraction names the same spot on the bottom line, which is cut into fourths?
    01011/2
    Show the answer and how
    Answer: 2/4
    Follow the dotted line down. It lands on the 2th mark of the bottom line, which has 4 equal parts: 2/4. So 1/2 = 2/4. Answer: 2/4.

Before and after

Learn first: Fractions on a number line (3rd)

Comes next: Whole numbers as fractions (3rd), Compare simple fractions (3rd)

Name: ____________________Date: ____________Score: ____ / 12

Same amount, new name (3rd grade)

  1. The dot is at 1/2 on the top number line. Which fraction names the same spot on the bottom line, which is cut into fourths?
    01011/2
  2. The dot is at 1/2 on the top number line. Which fraction names the same spot on the bottom line, which is cut into sixths?
    01011/2
  3. The dot is at 1/4 on the top number line. Which fraction names the same spot on the bottom line, which is cut into eighths?
    01011/4
  4. The dot is at 1/2 on the top number line. Which fraction names the same spot on the bottom line, which is cut into fourths?
    01011/2
  5. The dot is at 1/2 on the top number line. Which fraction names the same spot on the bottom line, which is cut into sixths?
    01011/2
  6. The dot is at 1/3 on the top number line. Which fraction names the same spot on the bottom line, which is cut into sixths?
    01011/3
  7. The dot is at 4/5 on the top number line. Which fraction names the same spot on the bottom line, which is cut into tenths?
    01014/5
  8. The dot is at 1/2 on the top number line. Which fraction names the same spot on the bottom line, which is cut into sixths?
    01011/2
  9. The dot is at 1/4 on the top number line. Which fraction names the same spot on the bottom line, which is cut into eighths?
    01011/4
  10. The dot is at 2/5 on the top number line. Which fraction names the same spot on the bottom line, which is cut into tenths?
    01012/5
  11. The dot is at 3/4 on the top number line. Which fraction names the same spot on the bottom line, which is cut into eighths?
    01013/4
  12. The dot is at 1/2 on the top number line. Which fraction names the same spot on the bottom line, which is cut into eighths?
    01011/2

Answer key

  1. 2/4
  2. 3/6
  3. 2/8
  4. 2/4
  5. 3/6
  6. 2/6
  7. 8/10
  8. 3/6
  9. 2/8
  10. 4/10
  11. 6/8
  12. 4/8

More 3rd grade skills: all 3rd grade math skills, or every grade at math skills.