Twa kɔ nsɛm atitiriw so
Log in
Sign up for FREE
arrow_back
Laabri

Unit 7 - Lesson 12 - Grade 3: Illustrative Mathematics

star
star
star
star
star
Last updated over 1 year ago
16 Nsɛmmisa
Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

Grade 3 Unit 7

Lesson 12: Rectangles with the Same Area

CC BY 2021 Illustrative Mathematics®

Grade 3 Unit 7

Lesson 12: Rectangles with the Same Area

CC BY 2021 Illustrative Mathematics®

Lesson: Rectangles with the Same Area

Number Talk: Divide in Parts (Warm Up)

Area of 24

1
1

Same Area, Different Perimeter

1
1
1
1
1
1
Cool Down: Area of 36
1
1

Find the value of each expression mentally.

1
Asemmisa {{asɛmmisaAhyɛnsode}}
1.

1
Asemmisa {{asɛmmisaAhyɛnsode}}
2.

1
Asemmisa {{asɛmmisaAhyɛnsode}}
3.

1
Asemmisa {{asɛmmisaAhyɛnsode}}
4.

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

Draw as many different rectangles as you can with an area of 24 square units.

Asemmisa {{asɛmmisaAhyɛnsode}}
6.

Find the perimeter of each rectangle you drew. Explain or show your reasoning.

Asemmisa {{asɛmmisaAhyɛnsode}}
7.

Draw 2 rectangles with the area of 12 square units but different perimeters.

Asemmisa {{asɛmmisaAhyɛnsode}}
8.

Draw 2 rectangles with the area of 20 square units but different perimeters.

Asemmisa {{asɛmmisaAhyɛnsode}}
9.

Draw 2 rectangles with the area of 42 square units but different perimeters.

Asemmisa {{asɛmmisaAhyɛnsode}}
10.

Draw 2 rectangles with the area of 48 square units but different perimeters.

Asemmisa {{asɛmmisaAhyɛnsode}}
11.

Draw 2 rectangles with an area you chose but different perimeters.

Asemmisa {{asɛmmisaAhyɛnsode}}
12.

Choose the rectangles you want to share and place them on the appropriate poster. Try to look for rectangles that are different from what other groups have already placed.

Gallery Walk

1
Asemmisa {{asɛmmisaAhyɛnsode}}
13.

As you visit the posters, discuss something you notice.

1
Asemmisa {{asɛmmisaAhyɛnsode}}
14.

As you visit the posters, discuss something you wonder.

Asemmisa {{asɛmmisaAhyɛnsode}}
15.

Draw two rectangles that each have an area of 36 square units but different perimeters.

Asemmisa {{asɛmmisaAhyɛnsode}}
16.

Explain or show your reasoning.