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1
831385−557602
2
546767−205911
3
770643−425900
4
743649−526289
5
713466−212711
6
553437−215418
7
628744−313802
8
522906−109506
9
363405−289322
10
855281−321997
11
538129−121533
12
721062−363925
13
981809−980339
14
452689−325122
15
696599−349832
16
884950−821935
17
906810−379163
18
543258−401453
19
815346−690375
20
725486−229681
Answer key
What is in this set
The numbers in this set run from 100,639 to 998,930.
Every problem in it will need a borrow from the column to the left.
A careful solution takes 7 written steps on average.
The mistake this set invites most often, in 100% of the problems: each column took the smaller digit from the larger one instead of borrowing from the column to its left.
Answers are a whole number.
Drawing 240 problems from this page produced 240 different ones, 100% — so a sheet of 20 is a new sheet almost every time.
We would put this in front of a grade 5 class. That is our judgement, not a standard, and it is printed here so you can disagree with it. Everything else we put in that year.