Add 3-digit whole numbers
Represent and solve addition problems with 3-digit whole numbers, with totals up to 1000, using the standard algorithm. Unlimited questions, five difficulty levels, and a full worked solution every time, included free with weekly lessons.
Try one
Liam has 113 hockey cards. Liam gets 235 more hockey cards. How many hockey cards does Liam have now?
Answer: 348
See one solved, step by step
Sam has 466 goldfish crackers. Sam gets 182 more goldfish crackers. How many goldfish crackers does Sam have now?
📘 Worked solution
16 + 2 = 8Add the ones first.
26 + 8 = 14Add the tens. That's 10 or more, so regroup 10 tens as 1 extra hundred.
34 + 1 + 1 = 6Add the hundreds, plus the extra hundred you just regrouped.
4= 648Put the hundreds, tens, and ones together: 648.
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