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Activity Title - Math Without Paper?
| Area/Skill – Math, LA Reading and Writing | Cognitive Skill Level – Analysis and Application |
Activity Title - Math Without Paper? Goal/Objective To use mental math to estimate correct answers. Lesson Outline/Introduction Everyday, people use their ability to estimate to figure such things as how much their grocery bill is going to be at the store or how long it will take to complete a task. This skill is sometimes taken for granted Activity Give students a list of things to estimate. Have students turn in their written estimates. Next, assign the students the same problems, but with the exact answers. Award the student with the most correct answers. Debriefing/Evaluation Activity Have students use estimation skills in evaluating the correctness of their answers on worksheets or practice tests. Discuss the importance of mental math in both real life situations as well as on the GED tests. |
Materials, Texts, Realia, Handouts
Extension Activity Have students create their own estimation/calculation activities. Give each student a 3 X 5 inch card on which to write the activity. Collect all the cards and place them in a box. Have the class draw one card each day to practice on their estimation skills. ESE Accommodations
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Real-Life Connection Bring in the newspaper ads that feature flooring such as carpet, hardwood floors, tile or linoleum. Have students estimate the cost to re-tile or re-carpet the classroom. The student should first estimate the size of the classroom to determine the area of the classroom. Then using estimation, determine the cost of flooring the classroom. Then have the class determine the actual cost by using a tape measure and calculator. |
| Area/Skill – Math, LA Reading and Writing | Cognitive Skill Level – Analysis and Application |
Activity Title - Math Without Paper? Introduction Ask: How far is it from your home to school? Answers may include such things as miles, blocks, etc. Say: Everyday we use estimation skills instead of exact calculations. Estimating the mileage to places, how long it will take us to complete a task, how much our grocery bill will be based on how full the shopping cart is or by the cost of the items, or how heavy something is are all examples of mental math. Now, we are going to use mental math to figure out such things as area, perimeter or volume. Review area, perimeter and volume with the students. Show them the formulas for solving these problems. Main Activity Say: We
will be working on estimation skills today. Closure/Conclusion Ask: How will the skill of estimation be helpful when completing a timed test? Discuss how estimation skills are important not only in real life but also on the completion of the GED tests. Debriefing/Evaluation Activity Ask: How many of you have ever had a "home-improvement" project? Discuss the types of math skills that are necessary to complete such projects as wallpapering, laying flooring, building a desk, etc. Bring in newspapers and different measuring tools. Have students estimate how much it will be to change the flooring in the classroom and then find the actual cost.
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