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Grade-3
Adding Three Numbers Using Word Problem - Up to 3-Digit Each
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William is practicing his speech as class president. His first practice round is 17 seconds. His second round is 502 seconds. His third round is 120 seconds. How many seconds did he spend practicing his speech?
Explanation
Add the ones together. Add 7 + 2 + 0
0
1
7
50
2
+
12
0
9
Add the tens together. Add 1 + 0 + 2
0
0
1
7
5
0
2
+
1
2
0
39
Add the hundreds together. Add 0 + 5 + 1
0
0
0
71
5
02
+
1
20
639
Progress Summary
Questions Answered
0
Skill Score out of 100
Time Taken:
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