Add & Subtract Time

Daniel Math Academy · Grade 4 Math

Add & Subtract Time

Skill P.2 · Time · ★★☆ Medium · Quarter 4

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Add or subtract. Regroup when you need to. 1 hr = 60 min · 1 min = 60 sec · 1 day = 24 hr · 1 wk = 7 days

1. 1
   $1\text{ min}15\text{ sec}+2\text{ min}55\text{ sec}=$ $\boxed{}\text{ min}\boxed{}\text{ sec}$
2. 2
   $9\text{ min}10\text{ sec}-4\text{ min}1\text{ sec}=$ $\boxed{}\text{ min}\boxed{}\text{ sec}$
3. 3
   $6\text{ min}20\text{ sec}-3\text{ min}14\text{ sec}=$ $\boxed{}\text{ min}\boxed{}\text{ sec}$
4. 4
   $1\text{ min}35\text{ sec}+3\text{ min}37\text{ sec}=$ $\boxed{}\text{ min}\boxed{}\text{ sec}$
5. 5
   $4\text{ hr}9\text{ min}+5\text{ hr}43\text{ min}=$ $\boxed{}\text{ hr}\boxed{}\text{ min}$
6. 6
   $7\text{ hr}22\text{ min}-6\text{ hr}16\text{ min}=$ $\boxed{}\text{ hr}\boxed{}\text{ min}$
7. 7
   $5\text{ min}4\text{ sec}-3\text{ min}7\text{ sec}=$ $\boxed{}\text{ min}\boxed{}\text{ sec}$

Daniel Math Academy · Grade 4 Math

Answer Key

P.2 Add & Subtract Time · ★★☆ Medium

1. 14 min 10 sec
2. 25 min 9 sec
3. 33 min 6 sec
4. 45 min 12 sec
5. 59 hr 52 min
6. 61 hr 6 min
7. 71 min 57 sec