Third graders determine the outcome of each of the following situations and justify their findings: even number + even number = ?, even number + odd number = ?, odd number + odd number = ?, and odd number + even number = ?.

Pupils identify the main ideas or topics of a lesson or unit using the plus, minus and interesting graphic organizer. In this main idea or topic lesson, students examine the use of the PMI graphic organizer. They describe the item they...

In this fractions instructional activity, 6th graders solve 10 different problems that includes the subtraction of various fractions. They subtract the fractions with common denominators. Then, students subtract the numerators to...

In this subtraction of matrices worksheet, 11th graders solve 10 different problems that include subtracting matrices from others. They determine whether each pair of matrices can be subtracted based on their entry size. Then, students...