Investigation+2

//Every day, use one 2 or 3 D shape and list its attributes. (morning circle or ten-minute math) Include new concepts and vocabulary, such as area, angles, right angles, faces, etc.//

Day 1 (Monday): Do lesson 2.2 Emphasize the word angle.

Day 2 (Tuesday): Do Lesson 2.3 Emphasize the word area.

Day 3 (Thursday): Lesson 2.4. [|makingrectangles.doc]

Begin with quick images of rectangles using color tiles. Kids explain how they remembered the shapes, and you will get to the idea of how many squares are in each row and how many rows there are. Introduce the idea of rows and columns, and reinforce the word area.

Teach them how to solve and write riddles about rectangles. Take small groups on pedometer walks while other kids solve and write rectangle riddles.

[|rectangleriddles.doc]

End with telling time practice.

Day 4 (Monday): Lesson 2.4 continued

Review rows and columns (rows like in a movie theater, columns hold up a building) and show them how to use their pencil to count them in a rectangle.

Talk about equations for each rectangle: 5 + 5, or 4 +4 +4. (demonstrate multiplication equations)

1. Make more rectangles. 2. Do rectangle riddles.

End with little rectangle quiz: show rectangles and students write area, rows, and columns.

Day 5 (Wednesday): Lesson 2.5 – 2.6

Teach Rectangles on the Geoboard and How Many Rectangles? in half groups

For Rectangles on the Geoboard, review right angles, and have them test their angles with color tiles.

Day 6 (Thursday): Lesson 2.7

Review how to count rows and columns using chairs; there can't be 0 rows or 0 columns; review area

Same choices as day before

Day 7 (Friday): Rectangle quiz [|practicequiz.doc] Here is a variation of the same kind of quiz: Finish How Many Rectangles posters