If you are having trouble with the pretest, you may need to
practice addition and subtraction. Please refer to Living Math,
a Teachers on Wheels publication.
Add the numbers.
355
+ 623
881
+ 6
515
+ 411
271
+ 308
588
+ 313
658
+ 201
869
+ 130
358
+ 611
951
+ 28
617
+ 342
501
+ 98
531
+ 218