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## Pattern Block Triangles

This beautiful lesson combines student creative work, counting and addition practice, combining geometric shapes, and a slow build from easier to more challenging work.

## Dots and Boxes

This classic game is great for strategy, mathematical thinking, and basic counting and addition.

## Rectangles with Whole Area and Fractional Sides

Math concepts: Fraction/decimal multiplication, area model of multiplication Materials: Paper and pencil Tags: 5.NBT.B.7, 5.NF.4, 5.NF.6, I love the question at the heart of this lesson—it’s simple but counter intuitive. This is a perfect way to let kids look for something without The Launch Consider a rectangle. If the side lengths are whole numbers, then so is the area. Do …

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## Math for Love Lessons on Volume

This is a collection of some of our favorite lessons on the topic of volume. We like them, and our students do too. They are built to launch quickly from genuine questions, and should have students actively learning and thinking for most of class. Because they are hands-on and compelling, they should help build a solid comprehension of what volume …

## Square Building

Topics: Area, multiplication, number patterns , geometry Grade: 3, 4, 5 Materials: Square tiles, graph paper Common Core: 3.MD.5, 3.MD.6, 3.MD.7, 4.OA.1, 4.NBT.5, 4.MD.3, 5.NBT.5,  MP1, MP2, MP3, MP5, MP6, MP7, MP8 This lesson is truly foundational. It connects central ideas of arithmetic and geometry, and advances from concrete to pictorial to abstract. It will prove to be a simple analogy …