Multi-Step Real-Life and Mathematical Problems Lesson
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Phase:
During/Explore/Explain
Activity:
This activity will be used as a lesson on solving multi-step real-world and mathematical problems involving rational numbers (integers, signed fractions, and decimals), converting between forms as needed lesson.
I Do:
The teacher will demonstrate how to solve multi-step real-world and mathematical problems involving rational numbers (integers, signed fractions, and decimals), converting between forms as needed using the following examples:
If a woman making $25 an hour gets a 10% raise, how much will her salary increase per hour, and what is her new salary?
If you want to place a towel bar 9 3/4 inches long in the center of a door that is 27 1/2 inches wide, how far from the edge will you need to place the bar?
Answer #1: She will make an additional 1/10 of her salary an hour, or $2.50, for a new salary of $27.50.
Answer #2: you will need to place the bar about 9 inches from each edge; this estimate can be used to check the exact computation.
Students will observe, take notes, use their math journals or paper, and ask questions.
The teacher will have the students turn and talk about any misconceptions they may have at this point in the lesson.
The teacher will issue whiteboards, pens, and erasers to the class.
The teacher will ask students to work on the “We Do” problems on their whiteboards holding them up as they find each answer for the teacher to check. (This will be used as a formative assessment to see if students understand the lesson.)
Important: The teacher will need to verbally discuss any problems and have students explain their thinking to ensure solidification of understanding.