First Graders have continued working on addition over the past couple of weeks. When I went to the classroom, we began working on Adding To A Set, which is similar to counting on, but the step before introducing number lines.
Here’s how the minilesson worked: We used the cards shown below to begin our addition problems. Students built that number with Legos on their addition mat. Then, as a class, we used the spinner to see how many to join to our group.
Students used small Legos (from Target) to model their problem rather than drawing. After we added to our set, we created an addition equation to match our model.
We did several of these problems together as a class. The students LOVED using the Legos!
After modeling during the minilesson, we played Fill Up The Fishbowl!
Our recording sheet told us how many fish were in the fishbowl at first. We used Goldfish crackers to build our problem. Then, we used the spinner to add fish to our set.
Then, students counted the total number of fish and made their addition equation. Of course, this one was even more fun because we got to eat a yummy snack afterwards 🙂 All of these activities can be found in our 1st Grade Addition Unit by clicking HERE.
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The Subtraction Spider can be used to create subtraction equations. You can subtract from a certain number, subtract doubles, subtract by making ten, etc. There’s also a mat that can be used for students to build those problems with manipulatives.
The Addition Arachnid has legs made out of Ten Frames! Students can show eight different ways to make ten after building those addition situations on their spidery sums mat! I’ve also included a spider with addition equation legs that can be used to show adding doubles, addition facts, etc.
Last but not least, this spider has multiplication equation legs! Students can focus on one type of fact or show a mix of multiplication facts on the spider’s legs!
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