We've been busy completing our 2nd Math Unit. Here's what we've been working on:
1. Analyzing a set of Data and finding its Landmarks such as median (middle number), mode (most frequently occurring number), minimum, maximum, and range.
2. Different methods for addition with multiple numbers: We explored "partial sums" method as well as "column addition" (which uses trading, similar to traditional addition).
3. Different methods for subtraction with multiple numbers. We explored "partial differences" as well as "Trade-first" methods.
4. We used 3 types of graphs/tables to display data: Tally mark tables, line plots (a rough draft of a bar graph), and bar graphs.
For analyzing data and using data graphs we collected information about numbers of raisins per box, people-per-household in Mazel Day School families, as well as head sizes in grades 3-5. Not only was it educational, it was also fun:-)
We also reviewed for our Math Assessment with a great game of Jeopardy! Enjoy the pictures.









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