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1
449+=981
2
769+=1582
3
446+=671
4
976+=1318
5
533+=1157
6
788+=1578
7
871+=1478
8
635+=754
9
902+=1872
10
333+=712
11
854+=1666
12
998+=1487
13
953+=1380
14
718+=1323
15
308+=652
16
275+=654
17
376+=694
18
458+=736
19
758+=1340
20
782+=1746
Answer key
What is in this set
The numbers in this set run from 102 to 1,926.
Every problem in it will need a borrow from the column to the left.
A careful solution takes 2 written steps on average.
The mistake this set invites most often, in 100% of the problems: the two numbers on the page were added — a missing part is found by taking one away from the total, not by adding.
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 4 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.