###### Hawaii

###### June 19, 2021, 8:00:00 PM

###### Saturday

###### Level 3

## Ms. Raejean

### Target 1

###### Lesson Type:

New

Number Operation

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Computation

Multiply within 100.

###### Supporting targets:

###### 1:

Understand that the same process is utilized to multiply 3 or more whole numbers that is used to multiply only two numbers (i.e., 2x3x4 = 2 groups of 3 in 6, and 4 groups of 6 is 24).

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###### Grade:

3rd

###### Vocabulary:

Factors, Product, Commutative Property, Arrays (rectangular arrangement in rows & columns)

Activities:

- We reviewed commutative property. Equations have the same factors (numbers) being multiplied, the same product (answer), but the order in which the numbers are multiplied are switched. Ex. 4 x 6 = 6 x 4
- Students selected 3 cards to make a multiplication equation. We discussed a strategy for multiplying the 3 numbers. Multiply the first and second factors (numbers), then multiply the product (answer) by the third factor. We also talked about switching the order of the 3 numbers for easier computation. Ex. 3 x 6 x 2 = 18 x 2 vs. 6 x 2 x 3 = 12 x 3
- Students used strategies (ex. used counters/made arrays, skip counted, repeated addition) to compute. Students practiced and applied what they learned in their workbooks (given arrays) and on a take-home worksheet.

### Home Exploration

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### Target 2

###### Lesson Type:

###### Continuation

###### Geometry

###### Modeling

###### Visualize spatial relationships between shapes and planar space.

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###### Supporting targets:

###### 1:

Solve pentomino puzzles by recognizing which spaces in the puzzle the given 12 pieces can and cannot fit.

###### 2:

Recognize and apply reflections (flips), translations (slides), and rotations (turns).

###### 3:

Identify the relationship between the 12 pentomino figures and their area and perimeter.

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###### Grade:

3rd

###### Vocabulary:

Pentomino, Area (squares inside), Perimeter (edges around)

Activities:

- Students demonstrated their spatial abilities as they worked to fill a 10 by 6 grid with the given 12 pentominoes. We reviewed slides, flips, and turns as students solved the problem of filling the 10 by 6 grid.
- We learned about area (squares inside) and perimeter (edges around). Students were challenged to find the "magic pentomino," which is the one that is unlike the rest. The "magic penomino" has a perimeter of 10 vs 12.

### Home Exploration

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### Target 3

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### Home Exploration