Mental Math vs. Pencil-And-Paper 4h grade

Mental Math vs. Pencil-And-Paper 4h grade
Mental Math vs. Pencil-And-Paper 4h grade
Mental Math vs. Pencil-And-Paper 4h grade
Mental Math vs. Pencil-And-Paper 4h grade
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PDF (61 KB|2 pages)
Standards
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This worksheet helps students to realize when it is appropriate to use different methods, mental math or pencil-and-paper. Once students start taking standardized tests and into adult life, they will need to be able to figure out which type problems can easily be calculated mentally. In the standards, it is listed as "use appropriate tools strategically".

This page does not include many actual calculations but does mention division and decimals. It may be appropriate for advanced 3rd graders and up.
Log in to see state-specific standards (only available in the US).
Use appropriate tools strategically. Mathematically proficient students consider the available tools when solving a mathematical problem. These tools might include pencil and paper, concrete models, a ruler, a protractor, a calculator, a spreadsheet, a computer algebra system, a statistical package, or dynamic geometry software. Proficient students are sufficiently familiar with tools appropriate for their grade or course to make sound decisions about when each of these tools might be helpful, recognizing both the insight to be gained and their limitations. For example, mathematically proficient high school students analyze graphs of functions and solutions generated using a graphing calculator. They detect possible errors by strategically using estimation and other mathematical knowledge. When making mathematical models, they know that technology can enable them to visualize the results of varying assumptions, explore consequences, and compare predictions with data. Mathematically proficient students at various grade levels are able to identify relevant external mathematical resources, such as digital content located on a website, and use them to pose or solve problems. They are able to use technological tools to explore and deepen their understanding of concepts.
Make sense of problems and persevere in solving them. Mathematically proficient students start by explaining to themselves the meaning of a problem and looking for entry points to its solution. They analyze givens, constraints, relationships, and goals. They make conjectures about the form and meaning of the solution and plan a solution pathway rather than simply jumping into a solution attempt. They consider analogous problems, and try special cases and simpler forms of the original problem in order to gain insight into its solution. They monitor and evaluate their progress and change course if necessary. Older students might, depending on the context of the problem, transform algebraic expressions or change the viewing window on their graphing calculator to get the information they need. Mathematically proficient students can explain correspondences between equations, verbal descriptions, tables, and graphs or draw diagrams of important features and relationships, graph data, and search for regularity or trends. Younger students might rely on using concrete objects or pictures to help conceptualize and solve a problem. Mathematically proficient students check their answers to problems using a different method, and they continually ask themselves, "Does this make sense?" They can understand the approaches of others to solving complex problems and identify correspondences between different approaches.
Total Pages
2 pages
Answer Key
Included
Teaching Duration
N/A
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