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

Open Up - Grade 8 - Mathematics - Unit 5 - Lesson 20

star
star
star
star
star
Last updated over 1 year ago
13 Nsɛmmisa
1
8.G.9
1
8.G.9
1
8.G.9
1
8.G.9
1
8.G.9
1
8.G.9
1
8.G.9
1
8.G.9
1
8.G.9
1
8.G.9
1
8.G.9
1
8.G.9
1
8.G.9

"Source: Open Up Resouces (Download for free at openupresources.org.)"

Asemmisa {{asɛmmisaAhyɛnsode}}
1.

Match the description of each sphere to its correct volume.

Draggable itemarrow_right_altCorresponding Item

\frac{2048}{3}πcm3

arrow_right_alt

Sphere A: radius of 4 cm

288πcm3

arrow_right_alt

Sphere B: diameter of 6 cm

36πcm3

arrow_right_alt

Sphere C: radius of 8 cm

\frac{256}{3}πcm3

arrow_right_alt

Sphere D: radius of 6 cm

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

Match the description of each sphere to its correct volume.

Asemmisa {{asɛmmisaAhyɛnsode}}
3.

A cube’s volume is 512 cubic units. What is the length of its edge?

Asemmisa {{asɛmmisaAhyɛnsode}}
4.

If a sphere fits snugly inside the cube from question 3, what is its volume?

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

What fraction of the cube from question 3 is taken up by the sphere from question 4?

Asemmisa {{asɛmmisaAhyɛnsode}}
6.

Sphere A has radius 2 cm.

Calculate the Spehere volume.

Asemmisa {{asɛmmisaAhyɛnsode}}
7.

Sphere B has radius 4 cm.

Calculate the Spehere volume.

Asemmisa {{asɛmmisaAhyɛnsode}}
8.

Sphere A has radius 2 cm. Sphere B has radius 4 cm

The radius of Sphere B is double that of Sphere A. How many times greater is the volume of B?

Asemmisa {{asɛmmisaAhyɛnsode}}
9.

Three cones have a volume of 192π cm3. Cone A has a radius of 2 cm. Cone B has a radius of 3 cm. Cone C has a radius of 4 cm.

Find the height of each cone.

Asemmisa {{asɛmmisaAhyɛnsode}}
10.

The graph represents the average price of regular gasoline in the United States in dollars as a function of the number of months after January 2014.

How many months after January 2014 was the price of gas the greatest?

Asemmisa {{asɛmmisaAhyɛnsode}}
11.

The graph represents the average price of regular gasoline in the United States in dollars as a function of the number of months after January 2014.

Did the average price of gas ever get below $2?

Asemmisa {{asɛmmisaAhyɛnsode}}
12.

The graph represents the average price of regular gasoline in the United States in dollars as a function of the number of months after January 2014.

Describe what happened to the average price of gas in 2014.

Asemmisa {{asɛmmisaAhyɛnsode}}
13.

While conducting an inventory in their bicycle shop, the owner noticed the number of bicycles is 2 fewer than 10 times the number of tricycles. They also know there are 410 wheels on all the bicycles and tricycles in the store. Write and solve a system of equations to find the number of bicycles in the store.