두 단위로 나타낸 양의 덧셈과 뺄셈

Daniel Math Academy · Grade 4 Math

Add & Subtract Mixed Measures

Skill O.7 · Units of measurement · ★★☆ Medium · Quarter 4

Name

 

Date

 

Score/ 8

Scan for answers

Add or subtract. Regroup when you need to. 1 ft = 12 in · 1 yd = 3 ft · 1 lb = 16 oz · 1 gal = 4 qt

1. 1
   $6\text{ yd}1\text{ ft}+9\text{ yd}1\text{ ft}=$ $\boxed{}\text{ yd}\boxed{}\text{ ft}$
2. 2
   $1\text{ lb}7\text{ oz}+3\text{ lb}12\text{ oz}=$ $\boxed{}\text{ lb}\boxed{}\text{ oz}$
3. 3
   $6\text{ lb}12\text{ oz}+1\text{ lb}9\text{ oz}=$ $\boxed{}\text{ lb}\boxed{}\text{ oz}$
4. 4
   $6\text{ lb}8\text{ oz}-3\text{ lb}4\text{ oz}=$ $\boxed{}\text{ lb}\boxed{}\text{ oz}$
5. 5
   $9\text{ yd}2\text{ ft}-1\text{ yd}1\text{ ft}=$ $\boxed{}\text{ yd}\boxed{}\text{ ft}$
6. 6
   $9\text{ lb}15\text{ oz}-6\text{ lb}12\text{ oz}=$ $\boxed{}\text{ lb}\boxed{}\text{ oz}$
7. 7
   $8\text{ ft}11\text{ in}-7\text{ ft}10\text{ in}=$ $\boxed{}\text{ ft}\boxed{}\text{ in}$
8. 8
   $8\text{ lb}6\text{ oz}-6\text{ lb}11\text{ oz}=$ $\boxed{}\text{ lb}\boxed{}\text{ oz}$

Daniel Math Academy · Grade 4 Math

Answer Key

O.7 Add & Subtract Mixed Measures · ★★☆ Medium

1. 115 yd 2 ft
2. 25 lb 3 oz
3. 38 lb 5 oz
4. 43 lb 4 oz
5. 58 yd 1 ft
6. 63 lb 3 oz
7. 71 ft 1 in
8. 81 lb 11 oz