
Number Operations and Number SenseApproximately 20%30% of the questions on the GED Mathematics Test assess knowledge of basic number operations and number sense. This includes such things as:
Mental math and estimation skills are important in not only number operations and number sense, but also in the other areas of the GED Mathematics Test. When you estimate, you use your number sense to find an answer or to check the reasonableness of an answer. This will require that you teach students to round numbers up and down, as well as to identify acceptable ranges when estimating. How can you incorporate problemsolving and estimation skills? Let’s take a look. 