Unit fractions can be compared by looking at the denominator, or the number of equal pieces the whole has been divided into. The denominator is the number below the division bar. Unit fractions always ...

In an attempt to explain subjects' difficulties with particular types of compare problems, Lewis and Mayer (1987) have presented a model that simulates the comprehension processes when solving these ...

In fourth grade, students focus most on using all four operations - addition, subtraction, multiplication, and division - to solve multi-step word problems involving multi-digit numbers. Fourth-grade ...