Students should experience a variety of problem types related to addition and subtraction. Problem type examples are included in the following chart: [Graphic cannot be reproduced].
Lessons for this standard
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Similar standards in other grades
One more than, one less than, two more than, two less than.
visualize the action in the story problem and draw a picture to show their thinking; and
create their own story problems;
model the problem using manipulatives, representations, or number sentences/equations.
The problem types most appropriate for students at this level include: Common Addition and Subtraction Problem Types - Join (Result Unknown): Sue had 4 pennies. Josh gave her 2 more. How many pennies does Sue have altogether?; Separate (Result Unknown): Sue had 8 pennies. She gave 5 pennies to Josh. How many pennies does Sue have now?; Part-Part-Whole (Whole Unknown): Josh has 4 red balloons and 3 blue balloons. How many balloons does he have?; Part-Part-Whole (Both Parts Unknown): Josh has 5 balloons. Some of them are red and some of them are blue. How many balloons can be blue and how many can be red?