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1
7002−503
2
9002−8358
3
9003−913
4
9001−5785
5
2004−731
6
6002−5862
7
9002−8431
8
5004−4496
9
3000−633
10
8000−2573
11
3000−1858
12
9003−8639
13
4001−2083
14
3001−412
15
5001−1368
16
6001−3198
17
9003−8505
18
9004−5679
19
5003−4189
20
8001−5788
Answer key
What is in this set
The numbers in this set run from 104 to 9,004.
Every problem in it will borrow across a zero.
A careful solution takes 6 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 across the zeros.
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.