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Daniel Math Academy · Grade 6 Math

Estimate Sums & Differences of Mixed Numbers

Skill J.3 · Adding & subtracting fractions · ★★☆ Medium · Quarter 3

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Round each mixed number to the nearest whole number. Then estimate.

1. 1
   $9\frac{1}{3}-6\frac{1}{3}\approx$ 
2. 2
   $4\frac{3}{8}-1\frac{5}{6}\approx$ 
3. 3
   $8\frac{5}{8}-2\frac{7}{8}\approx$ 
4. 4
   $3\frac{5}{6}-1\frac{1}{3}\approx$ 
5. 5
   $4\frac{5}{8}-1\frac{5}{12}\approx$ 
6. 6
   $7\frac{3}{4}-2\frac{5}{8}\approx$ 
7. 7
   $6\frac{1}{10}-2\frac{1}{3}\approx$ 
8. 8
   $8\frac{7}{12}-4\frac{2}{3}\approx$ 
9. 9
   $9\frac{3}{4}-6\frac{3}{4}\approx$ 
10. 10
    $8\frac{2}{3}-4\frac{1}{3}\approx$ 
11. 11
    $7\frac{7}{8}-6\frac{1}{12}\approx$ 
12. 12
    $9\frac{5}{6}-6\frac{1}{4}\approx$ 
13. 13
    $6\frac{1}{5}-4\frac{3}{10}\approx$ 
14. 14
    $8\frac{4}{5}-1\frac{3}{5}\approx$ 

Daniel Math Academy · Grade 6 Math

Answer Key

J.3 Estimate Sums & Differences of Mixed Numbers · ★★☆ Medium

1. 1$9-6=3$
2. 2$4-2=2$
3. 3$9-3=6$
4. 4$4-1=3$
5. 5$5-1=4$
6. 6$8-3=5$
7. 7$6-2=4$
8. 8$9-5=4$
9. 9$10-7=3$
10. 10$9-4=5$
11. 11$8-6=2$
12. 12$10-6=4$
13. 13$6-4=2$
14. 14$9-2=7$