Number Sense
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Base 10 Blocks on Jamboard for Subtraction
This post provides access to and details about a Google Jamboard with scaffolded background to support multi-digit subtraction with regrouping. The Jamboard The Jamboard has images of basic base 10 blocks. The background provides side by side tables for numbers and for blocks. Additional blocks are set aside for regrouping. Here is a FB Reel…
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Skip Counting Scaffolded
I work with students from elementary school to college. At all levels there are many students who struggle with multiplication. When I work with a student on multiplication I focus on skip counting as opposed to multiplication facts. Skip counting connects to multiplication as repeated addition, which is the foundation for scale and proportion. To…
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Individualized Base 10 Blocks
Students who struggle with number sense, such as place value, struggle with subsequent math content. Connecting place value to prior knowledge or an area of interest can be an entry point to making place value accessible. This post shows how a student interest (horses) can be leveraged to present place value in a more accessible…
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Rounding with Scaffolded Handout
This post shows an approach to teach rounding to the nearest 10 and is presented on a handout. Multiple strategies are used. This includes scaffolding, chunking with supports incrementally faded, and a visual. Overview A visual of the hand releasing the balloon draws upon prior knowledge and provides a mnemonic for when to round up.…
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Rounding to Nearest 10 with Scaffolding Faded
The first page has maximum scaffolding with the student focusing only on which tens to round to. In turn, an a different element is the focus (e.g., writing the 0s then rounding) and then the scaffolding is increasingly faded. Here is a link to a WORD document so you can change numbers AND add digits…
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Counting Money – Jamboard
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Counting Money – Jamboard
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Multiplication Problems as Intro to Unit Rates and Slope (follow up)
I previously related elementary school word problems with math topics in secondary schools. The photo below shows a method to help elementary school students unpack the multiplication problem, to help middle school students identify the unit rate, and to help algebra students identify slope (you can focus on simple problems like this as an entry…
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Multiplication with Integers: a Meaning Making Approach
I previously tackled the difference between the ” – ” symbol used to represent a negative and a subtraction problem. This post gets into multliplication through the context of buying a Wendy’s frosty. One comment to preface what is presented here. Negative numbers are abstract and challenging for many students. Multiplying by negatives is even…
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Addressing Multiplication as a Gap
There is a delineated sequence for teaching multiplication over the years, including repeated addition, set modeling, arrays, single digit etc (below). It exists to build conceptual understanding of the multiplication facts that are at some point memorized by many students. When I work with students who are a more than a year behind in the…