Ordering Fractions Worksheets - Math Monks - Free Printable
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Step-by-step solution for: Ordering Fractions Worksheets - Math Monks
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Show Answer Key & Explanations
Step-by-step solution for: Ordering Fractions Worksheets - Math Monks
Let’s solve each part step by step.
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Part A: Order these fractions in increasing order: 1/2, 1/3, 1/4, 3/4
We need to compare them. One easy way is to think about how big each piece is if you split something into equal parts.
- 1/4 means 1 out of 4 equal pieces → smallest
- 1/3 means 1 out of 3 equal pieces → bigger than 1/4
- 1/2 means half → bigger than 1/3
- 3/4 means 3 out of 4 pieces → almost all → biggest
So from smallest to largest:
1/4, 1/3, 1/2, 3/4
Now let’s place them on the number line from 0 to 1.
Number line has marks at:
0, 1/8, 1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1
Place each fraction:
- 1/4 → already marked
- 1/3 → between 1/4 (which is 2/8) and 3/8? Let’s convert to eighths or twelfths to be sure.
Actually, better to use common denominator or decimal approximations for accuracy.
Convert to decimals:
- 1/4 = 0.25
- 1/3 ≈ 0.333
- 1/2 = 0.5
- 3/4 = 0.75
On the number line with eighths:
- 1/4 = 2/8 → mark at 2/8
- 1/3 ≈ 0.333 → between 2/8 (0.25) and 3/8 (0.375) → closer to 3/8 but not exactly — we can estimate it between 2/8 and 3/8
- 1/2 = 4/8 → mark at 4/8
- 3/4 = 6/8 → mark at 6/8
But since the number line shows eighths, we’ll place them as close as possible.
Order on number line left to right:
1/4 (at 2/8), then 1/3 (between 2/8 and 3/8), then 1/2 (at 4/8), then 3/4 (at 6/8)
✔ Final order for A: 1/4, 1/3, 1/2, 3/4
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Part B: Order these mixed numbers: 2 1/6, 1 1/2, 2 1/3, 1 5/6
First, separate whole numbers and fractions.
List them:
- 1 1/2 → 1 + 0.5 = 1.5
- 1 5/6 → 1 + ~0.833 = ~1.833
- 2 1/6 → 2 + ~0.166 = ~2.166
- 2 1/3 → 2 + ~0.333 = ~2.333
So from smallest to largest:
1 1/2 (1.5) < 1 5/6 (~1.833) < 2 1/6 (~2.166) < 2 1/3 (~2.333)
Check using fractions:
Compare 1 1/2 and 1 5/6 → same whole number, compare 1/2 vs 5/6 → 1/2 = 3/6, so 3/6 < 5/6 → so 1 1/2 < 1 5/6
Then 2 1/6 and 2 1/3 → 1/6 < 1/3 → so 2 1/6 < 2 1/3
And obviously 1.something < 2.something
So order:
1 1/2, 1 5/6, 2 1/6, 2 1/3
Now place on number line from 1 to 3, with marks every 1/6.
Marks: 1, 1 1/6, 1 2/6, 1 3/6, 1 4/6, 1 5/6, 2, 2 1/6, 2 2/6, 2 3/6, 2 4/6, 2 5/6, 3
Place:
- 1 1/2 = 1 3/6 → at 1 3/6
- 1 5/6 → at 1 5/6
- 2 1/6 → at 2 1/6
- 2 1/3 = 2 2/6 → at 2 2/6
Perfect — they land exactly on the marks!
✔ Final order for B: 1 1/2, 1 5/6, 2 1/6, 2 1/3
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Part C: Order these fractions: 1/2, 19/30, 4/5, 4/10
Again, convert to decimals or find common denominator.
Decimals:
- 1/2 = 0.5
- 19/30 ≈ 0.633...
- 4/5 = 0.8
- 4/10 = 0.4
So order: 0.4, 0.5, 0.633..., 0.8 →
4/10, 1/2, 19/30, 4/5
Check with fractions:
4/10 = 2/5 = 0.4
1/2 = 0.5
19/30 ≈ 0.633
4/5 = 0.8
Yes.
To place on number line from 0 to 1 with tenths:
Marks: 0, 1/10, 2/10, 3/10, 4/10, 5/10, 6/10, 7/10, 8/10, 9/10, 1
Place:
- 4/10 → at 4/10
- 1/2 = 5/10 → at 5/10
- 19/30 → between 6/10 (0.6) and 7/10 (0.7)? 19/30 = 0.633... → between 6/10 and 7/10, closer to 6/10? Actually 6/10=18/30, so 19/30 is just after 6/10 → between 6/10 and 7/10
- 4/5 = 8/10 → at 8/10
So on number line:
4/10, then 1/2 (5/10), then 19/30 (just after 6/10), then 4/5 (8/10)
✔ Final order for C: 4/10, 1/2, 19/30, 4/5
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Part D: Order these fractions: 3/4, 7/8, 1/2, 1/4
Decimals:
- 1/4 = 0.25
- 1/2 = 0.5
- 3/4 = 0.75
- 7/8 = 0.875
Order: 0.25, 0.5, 0.75, 0.875 →
1/4, 1/2, 3/4, 7/8
Place on number line from 0 to 1 with eighths:
Marks: 0, 1/8, 2/8, 3/8, 4/8, 5/8, 6/8, 7/8, 1
Convert:
- 1/4 = 2/8 → at 2/8
- 1/2 = 4/8 → at 4/8
- 3/4 = 6/8 → at 6/8
- 7/8 → at 7/8
Perfect — all land on marks.
✔ Final order for D: 1/4, 1/2, 3/4, 7/8
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Final Answer:
A) 1/4, 1/3, 1/2, 3/4
B) 1 1/2, 1 5/6, 2 1/6, 2 1/3
C) 4/10, 1/2, 19/30, 4/5
D) 1/4, 1/2, 3/4, 7/8
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Part A: Order these fractions in increasing order: 1/2, 1/3, 1/4, 3/4
We need to compare them. One easy way is to think about how big each piece is if you split something into equal parts.
- 1/4 means 1 out of 4 equal pieces → smallest
- 1/3 means 1 out of 3 equal pieces → bigger than 1/4
- 1/2 means half → bigger than 1/3
- 3/4 means 3 out of 4 pieces → almost all → biggest
So from smallest to largest:
1/4, 1/3, 1/2, 3/4
Now let’s place them on the number line from 0 to 1.
Number line has marks at:
0, 1/8, 1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1
Place each fraction:
- 1/4 → already marked
- 1/3 → between 1/4 (which is 2/8) and 3/8? Let’s convert to eighths or twelfths to be sure.
Actually, better to use common denominator or decimal approximations for accuracy.
Convert to decimals:
- 1/4 = 0.25
- 1/3 ≈ 0.333
- 1/2 = 0.5
- 3/4 = 0.75
On the number line with eighths:
- 1/4 = 2/8 → mark at 2/8
- 1/3 ≈ 0.333 → between 2/8 (0.25) and 3/8 (0.375) → closer to 3/8 but not exactly — we can estimate it between 2/8 and 3/8
- 1/2 = 4/8 → mark at 4/8
- 3/4 = 6/8 → mark at 6/8
But since the number line shows eighths, we’ll place them as close as possible.
Order on number line left to right:
1/4 (at 2/8), then 1/3 (between 2/8 and 3/8), then 1/2 (at 4/8), then 3/4 (at 6/8)
✔ Final order for A: 1/4, 1/3, 1/2, 3/4
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Part B: Order these mixed numbers: 2 1/6, 1 1/2, 2 1/3, 1 5/6
First, separate whole numbers and fractions.
List them:
- 1 1/2 → 1 + 0.5 = 1.5
- 1 5/6 → 1 + ~0.833 = ~1.833
- 2 1/6 → 2 + ~0.166 = ~2.166
- 2 1/3 → 2 + ~0.333 = ~2.333
So from smallest to largest:
1 1/2 (1.5) < 1 5/6 (~1.833) < 2 1/6 (~2.166) < 2 1/3 (~2.333)
Check using fractions:
Compare 1 1/2 and 1 5/6 → same whole number, compare 1/2 vs 5/6 → 1/2 = 3/6, so 3/6 < 5/6 → so 1 1/2 < 1 5/6
Then 2 1/6 and 2 1/3 → 1/6 < 1/3 → so 2 1/6 < 2 1/3
And obviously 1.something < 2.something
So order:
1 1/2, 1 5/6, 2 1/6, 2 1/3
Now place on number line from 1 to 3, with marks every 1/6.
Marks: 1, 1 1/6, 1 2/6, 1 3/6, 1 4/6, 1 5/6, 2, 2 1/6, 2 2/6, 2 3/6, 2 4/6, 2 5/6, 3
Place:
- 1 1/2 = 1 3/6 → at 1 3/6
- 1 5/6 → at 1 5/6
- 2 1/6 → at 2 1/6
- 2 1/3 = 2 2/6 → at 2 2/6
Perfect — they land exactly on the marks!
✔ Final order for B: 1 1/2, 1 5/6, 2 1/6, 2 1/3
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Part C: Order these fractions: 1/2, 19/30, 4/5, 4/10
Again, convert to decimals or find common denominator.
Decimals:
- 1/2 = 0.5
- 19/30 ≈ 0.633...
- 4/5 = 0.8
- 4/10 = 0.4
So order: 0.4, 0.5, 0.633..., 0.8 →
4/10, 1/2, 19/30, 4/5
Check with fractions:
4/10 = 2/5 = 0.4
1/2 = 0.5
19/30 ≈ 0.633
4/5 = 0.8
Yes.
To place on number line from 0 to 1 with tenths:
Marks: 0, 1/10, 2/10, 3/10, 4/10, 5/10, 6/10, 7/10, 8/10, 9/10, 1
Place:
- 4/10 → at 4/10
- 1/2 = 5/10 → at 5/10
- 19/30 → between 6/10 (0.6) and 7/10 (0.7)? 19/30 = 0.633... → between 6/10 and 7/10, closer to 6/10? Actually 6/10=18/30, so 19/30 is just after 6/10 → between 6/10 and 7/10
- 4/5 = 8/10 → at 8/10
So on number line:
4/10, then 1/2 (5/10), then 19/30 (just after 6/10), then 4/5 (8/10)
✔ Final order for C: 4/10, 1/2, 19/30, 4/5
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Part D: Order these fractions: 3/4, 7/8, 1/2, 1/4
Decimals:
- 1/4 = 0.25
- 1/2 = 0.5
- 3/4 = 0.75
- 7/8 = 0.875
Order: 0.25, 0.5, 0.75, 0.875 →
1/4, 1/2, 3/4, 7/8
Place on number line from 0 to 1 with eighths:
Marks: 0, 1/8, 2/8, 3/8, 4/8, 5/8, 6/8, 7/8, 1
Convert:
- 1/4 = 2/8 → at 2/8
- 1/2 = 4/8 → at 4/8
- 3/4 = 6/8 → at 6/8
- 7/8 → at 7/8
Perfect — all land on marks.
✔ Final order for D: 1/4, 1/2, 3/4, 7/8
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Final Answer:
A) 1/4, 1/3, 1/2, 3/4
B) 1 1/2, 1 5/6, 2 1/6, 2 1/3
C) 4/10, 1/2, 19/30, 4/5
D) 1/4, 1/2, 3/4, 7/8
Parent Tip: Review the logic above to help your child master the concept of ordering fractions worksheet 5th grade.