![]() ![]() Click on the url link above to play with the interactive elements. Allows students to reason about the size of fractions by using benchmarks. Click on the url link above to play with the interactive elements.įor this activity, students are dragging the slider to create a circle graph for each town described in the table: This is just a screenshot. Comparing Fractions Using Benchmarks Game Authors: Illustrative Mathematics, Adapting Materials Project What we like about this task Mathematically: Addresses standards: 4.NF.A.2 and MP3. ![]() Here are just a few screenshots of the interactive elements your students are able to explore: This is just a screenshot. Explore Part of the Whole (100% and 50%).The progression is organized into sections: The problems are engaging, accessible, and challenging. The questions are really well-designed as they guide students through a general flow of playing around with the elements, making observations, looking for patterns and use those patterns to build a deeper understanding of percentages. The progression was designed to help students develop a conceptual understanding of benchmark fractions (1/2, 1/4, 3/4, 1/10) and benchmark percents (100%, 50%, 25%, 75%, and 10%) through a series of interactive activities and visuals, including tables and circle graphs. You can also use the chart to help you will adding and subtracting fractions We recommend printing out the chart (preferably in color and having it close by whenever you are learning about or working on. The activities were developed by Connie in collaboration with MA adult numeracy and math specialist, Sarah Lonberg-Lew, who created the interactive elements using Desmos. You can use the above fraction chart as a quick reference for comparing fractions and identifying equivalent fractions. Each post contains a link to the next post.This interactive online sequence of activities comes from CT adult education teacher Connie Rivera’s website. I wrote a series of posts about strategies for comparing fractions. You can download a copy of the anchor chart here. Please, PLEASE remember that students need lots of concrete and pictorial experiences with fractions to be able to reason about the relative size of fractions, which is why I included visuals on the anchor chart. I have been working with my 4th graders on this skill, and I created an anchor chart for them to use as a reference when comparing fractions. 1 10 2 10 3 10 7 10 9 10 Describe an easy way to remember these kinds of. Write decimal equivalents for each of the following fractions. Benchmark fractions are commonly used in everyday experiences. Comparing fractions using a benchmark of one-half is just one of the strategies students should have in their toolbox. BENCHMARK FRACTIONS AND DECIMALS A benchmark fraction refers to a fraction that is easily recognizable. They are simple fractions that students are familiar with. The first fraction is clearly less than one-half, while the second is greater than one-half. Benchmark fractions are common fractions that we compare other fractions to. For example, consider this pair of fractions:ĭo you really need to find a common denominator in order to compare these two fractions? I think not. While creating a common denominator is one of the strategies, it is often not necessary. Recently, I published a series of posts describing the various strategies students can use for comparing fractions.
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