Estimate Sums & Differences of Mixed Numbers

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

Daniel Math Academy · Grade 6 Math

Answer Key

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

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