number line
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Fractions! Meaning Making for Comparing Fractions
Fractions is one of the most challenging math topics. Many high school and college students struggle to some degree with fractions. The Common Core of State Standards (CCSS), despite all the criticism, includes components to address the conceptual understanding of fractions. Below is a photo showing a 4th grade Common Core standard regarding fractions along…
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Adding Money First Steps
The following shows steps to introducing the concept of the value of money and of adding coins. The concept of a dime is presented as 10 pennies (see below). The dime is compared to a penny, nickel and quarter using these representations. Repeated use of these representations leads into an intuitive understanding of the coins.…
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Color Coding and Different Representation for Rounding
There are two strategies used in this example for rounding. The number line is a different representation for a rounding situation. In CRA this is the representational or pictorial level. Typically students are taught to round by looking only at the numbers which is purely symbolic. The color coding helps the students discriminate between…
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Fractions, Decimals and Percents Number Line