Twenty-four first-grade children were asked to write number sentences and select appropriate alternative number sentences for addition and subtraction word problems. Responses were qualitatively ...

Math Mights, you are doing great job with these word problems. You are going to get the trash can subtraction game to play with a friend. I hope you have a lot of fun with it.

The film features a conversation between a student named Bernard and another person helping him with his math homework. They discuss various math problems, including multiplication and division ...

12 - 5 = 7 Just like with addition, we can use a part-whole model to help partition larger numbers to make them easier to deal with in subtraction problems.

Siegbert Schmidt, Werner Weiser, Semantic Structures of One-Step Word Problems Involving Multiplication or Division, Educational Studies in Mathematics, Vol. 28, No. 1 (Jan., 1995), pp. 55-72 ...