Our math lessons are designed to make math meaningful to the student. They will guide learners through mathematical concepts, breaking down each step in a clear and understandable manner. They provide a structured approach to learning math, ensuring comprehensive understanding and proficiency. Each math lesson provides in-depth instruction ideal for learners of all ages and abilities. Choose a topic below to start your adventure.
Solutions: Understanding Percent
You can find complete Learning Objectives for this unit of study here. The Meaning of Percent Exercise Problem Solution 1 Which of the following is equal to ?1.6 8 to 100 16% none of the above 16% 2 Which of the following is equal to 21.8%?218 to 100 .218 none of the above .218 3 Which […]
Read MoreSolutions: Number Theory
If you would like to better understand the curriculum, here are the learning objectives for this unit. Factors and Greatest Common Factors Exercise Problem Solution 1 Find the greatest common factor of 18 and 36. Factors of 18: 1, 2, 3, 6, 9, 18 Factors of 36: 1, 2, 3, 4, 6, 9, 12, 18, […]
Read MoreSolutions: Circumference & Area of Circles
Circumference of Circles Exercise Problem Solution 1 The diameter of a nickel is 2 cm. What is the circumference? d = 2 cm; C = 3.14 (2 cm); C = 6.28 cm 2 The circumference of a bicycle wheel is 50.24 in. What is the diameter? C = 50.24 in; d = 50.24 in ÷ 3.14; C […]
Read MoreSolutions: Perimeter & Area of Polygons
Perimeter of Polygons Exercise Problem Solution 1 Find the perimeter of a triangle the sides of which are 10 in, 14 in and 15 in. P = 10 in + 14 in + 15 in = 39 in 2 A rectangle has a length of 12 cm and a width of 4 cm. Find its […]
Read MoreChallenge Exercises on Sets
Directions: Read each question below. You may draw a Venn diagram to help you find the answer. Select your answer by clicking on its button. Feedback to your answer is provided in the RESULTS BOX. If you make a mistake, rethink your answer, then choose a different button. 1. What is wrong with the set […]
Read MorePractice Exercises on Sets
Directions: Read each question below. You may draw a Venn diagram to help you find the answer. Select your answer by clicking on its button. Feedback to your answer is provided in the RESULTS BOX. If you make a mistake, rethink your answer, then choose a different button. 1. Which of the following is sets […]
Read MoreUnion of Sets
In previous lessons, we used Venn diagrams to represent relationships between sets. Let’s look at example 1 below. Example 1: In Greenville Middle School, two classes will be merged into one in order to reduce costs. If the students in Band and Chorus are combined into one new class, then which students will be in that […]
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Intersection
In previous lessons, we used Venn diagrams to represent relationships between sets. Let’s look at the relationship of the sets described in example 1 below. Example 1: Let X = {1, 2, 3} and Let Y = {3, 4, 5}. What elements do X and Y have in common? Analysis: We will draw a Venn diagram of two overlapping circles. Elements that are common to […]
Read MoreComplement
In previous lessons, we learned that a set is a group of objects, and that Venn diagrams can be used to illustrate both set relationships and logical relationships. Example 1: Given = {students who attend The Kewl School} and A = {students in Mrs. Glosser’s class}. What is the set of all students who attend The Kewl School that are […]
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Set-Builder Notation
Problem: Mrs. Glosser asked Kyesha, Angie and Eduardo to list the set all of integers greater than –3. Analysis: Each student wrote this set using different notation. Solution: Kyesha P = {–2, –1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, …} Angie P = {–2, –1, 0, +1, +2, +3, +4, +5, +6, +7, +8, +9, +10, +11, …} Eduardo P = {all integers greater than –3} Each of the students in the problem […]
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