The purpose of this Prior Knowledge section is to remind you of some material necessary for learning this topic. The problems should not be difficult; they need to be fresh in your mind as you begin the instruction.

The purpose of this Prior Knowledge section is to remind you of some material necessary for learning this topic. The problems should not be difficult; they need to be fresh in your mind as you begin the instruction.

Prior Knowledge Needed for this Lesson

Prior Knowledge Needed for this Lesson

Prior Knowledge Needed for this Lesson

Prior Knowledge Needed for this Lesson

Prior Knowledge Needed for this Lesson

Prior Knowledge Needed for this Lesson

Prior Knowledge Needed for this Lesson

Prior Knowledge Needed for this Lesson

If these questions are difficult, you may need to first study a lesson on the counting numbers. Click here and I'll take you there.

Prior Knowledge Needed for this Lesson

Prior Knowledge Needed for this Lesson

Prior Knowledge Needed for this Lesson

Prior Knowledge Needed for this Lesson

Prior Knowledge Needed for this Lesson

Prior Knowledge Needed for this Lesson

Prior Knowledge Needed for this Lesson

Prior Knowledge Needed for this Lesson

You are now ready for Guided Practice #1 or Instruction, Part #1 which are choices from the Menu at your left.

The Guided Practice provides further problems for upgrading your prior knowledge. The Instruction begins your work on the topic of this lesson.