Adding fractions with like denominators
Click here for a problem that emphasizes multiple ways to decompose a given fraction, and helps identify the misconception of students …
Monthly Archives: November 2012
Understanding Ratio with the Model Method
Here’s a great problem that uses the Model Method to make sense of a word problem with ratios.
Discovery in Middle School Math Lessons
Spend some time at the Annenberg Learner site. Here you can see videos with hands-on activities that help students explore and …
Comparison problems for addition and subtraction
These problems target one-to-one correspondences without the use of comparison language such as “more” or “fewer”.
Equivalent expressions?
This task addresses a commmon misconception when students take allowable moves to solve equations and apply them to expressions.
Understanding Expressions
Instead of asking students to write expressions that represent real life situations, this task defines the variables, presents expressions, and asks …
What does it mean to multiply by a fraction?
Help students understand multiplication by a fraction with this activity, where two students discuss different models of fraction multiplication and …
Comparing a number and a product
Build rational number sense with this activity that asks students to consider which number is greater without performing the multiplication.
Understanding function notation
Click here for an activity that gauges student understanding of function notation.
Multiplication or Division?
Click here for an activity that has students think about whether they need to multiply or divide to solve a …
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