## Subtraction Strategies

Great ideas for teaching subtraction strategies in 2nd and 3rd grade. **The actual structure is good for all grades.** Notice how she frames the problems on the board, this is a great way to jumpstart mathematical conversations about strategies.

Happy Mathing,

Dr. Nicki

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## How can I charts…

I saw this “How can I chart” on Pinterest. I like the structure. I think it would be great to make a series of math anchor charts about “How can I…” such as “How can I add two digit numbers?” “How can I multiply a fraction by a whole number?” “How can I add single digit numbers quickly?”

Then, the chart lists several different ways to do it…going through the cycle of engagement: concrete ways, pictorial ways and abstract ways.

Then, you should definitely take pictures of these charts and have the students put the copies in their thinking notebooks or store the charts somewhere where they are accessible…or put them in a photo album that is labeled so students can use it as a reference when needed….or have the students copy the charts into their thinking notebooks…

The big point here is that charts should be a tool that is used throughout the year, not just for a moment!

Happy Mathing,

Dr. Nicki

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## Guided Math Videos: Part 3

Here is an excellent clip of a guided math lesson. Notice how the teacher scaffolds her way into the concept with the students. These students do a great deal of work in a small period of time. It is hands-on, interactive and engaging.

Also, notice how the teacher does individual coaching throughout the guided math lesson. This is an essential component of a guided math lesson. It allows for the individual scaffolding within the lesson.

Happy Mathing,

Dr. Nicki

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## Successful Strategies for Guided Math Groups: Part 2-Summarizing

Marzano (2001) states that *Summarizing and Notetaking* is 1 of the 9 successful strategies that move student achievement. The focus is to summarize what we are doing and/or also take notes. This can be done using quick writes and different graphic organizers. This would be a great strategy to make sure that students are getting it! Make sure that you give students an opportunity to summarize what they have learned in each unit of study. One way to have students to summarize is to make notes in flipbooks. They could sum up the strategies and give some examples. See below for a few examples.

Happy Mathing,

Dr. Nicki

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## Successful Strategies for Guided Math Groups: Part I

Marzano ( 2001) states that 1 of the 9 top instructional strategies is **identifying similarities and differences**. The idea here is to be able to take apart concepts and recognize what is alike and what is different. How do you do this in your guided math groups and workstations? Here are some ideas.

1. Use venn diagrams & carroll diagrams

2. Use concept attainment charts

Remember that when you work with these concepts in guided math groups you are focusing on the talk. You want to be sure to give everyone a chance to speak and share their ideas.

Happy Mathing,

Dr. Nicki

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## Talking about Word Problems

Here is a great upper elementary word problem resource! Explore some of them in whole group, some in guided math groups and put others in workstations for students to solve in groups, with partners and alone.

Happy Mathing,

Dr. Nicki

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## Subitizing Part 3

Subitizing (also known as quick images) is a very important routine for k/1 classrooms. Here are some more great links about this! This is a great routine to do in whole group as well as small guided math groups. In small guided math groups you get to have more individual conversations and hear student thinking.

**Links**

Link 2 (a variety of games)

Link 3 (great article)

Link 4 (powerpoints and more)

Be sure to check out my subitizing pinterest board as well!

Happy Mathing,

Dr. Nicki

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## Question of the Day: Part 2

Here are some more links with ideas for doing question of the day.

Link 1

Link 2

Link 3

Link 4 (Great books)

Link 5

Link 6

Happy Mathing,

Dr. Nicki

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## Question of the day: Part I

This is a great routine for students to do. It helps them to collect data that makes sense. It is about their lives and it gives them the opportunity to discuss their lives and to learn how to collect, organize and discuss data. Here are some classroom examples. Collecting data ties into the measurement and data standards of the ccss math.

This is a great routine to do in the morning because you can do it as one form of taking attendance.

Link 2 (Note all the different ways to collect it and organize it! You should change up often so children see different formats.

(I have a pinterest board with great links…Check it out!)

*This could also be an activity that students do in a workstation. You could discuss it in small guided math groups as well. The focus should be on getting students to talk about the numbers using words like *more than, less than, the same as*.

Happy Mathing,

Dr. Nicki

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## More on Double Numberlines and Fractions

Here are some examples of modeling subtraction of fractions with double numberlines. Remember that with any model, teach it in the whole group, practice it in small guided math groups and math workstations.

Happy Mathing,

Dr. Nicki

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