Surface area practice and word problems

Solve the following problems using the formula for surface area. Do not forget to show your work, round to the nearest tenth, and include the unit of measure. Word problems require a concluding statement. Use 3.14 for π.

What is the surface area of the cylinder on the left?

Yasamin put a circular fence around her roses so they would not get trampled by her dog. She put a fence around the roses that was 3 metres across, and 2 metres high. How much material did she use to make her fence?




Fallon and Abbie each have a can of pop. Fallon’s can has a diameter of 6 inches and a height of 8 inches. Abbie’s can has a diameter of 8 inches and a height of 6 inches. Whose cylinder has a larger surface area?




John wants to make a cylindrical case that will fit a bass drum with a height of 32 cm and a diameter of 60 cm. What is the surface area of the case?




The lateral area of a cylinder is 94.2 cm squared. The height is 6cm. What is the radius of the cylinder?

Area of a sector questions

Find the area of each sector given the radius and the angle measure. Round to the nearest hundredth as needed. Do the math in your math notebook. Show ALL of your work (start with the formula and include all steps).

1. 45° angle with a radius of 3 meters.

2. 55° angle with a radius of 4 mm

3. 60° angle with a diameter of 5 cm

4. 43° angle with a diameter of 6 m

5. 70° angle with a radius of 2 km.

Etablir un objectif avant la lecture

 

Le respect

Regarde la video: https://www.idello.org/fr/apprendre-a-la-maison/7e-annee/ressource/1647-Respect

Dans ton cahier d'ecriture, reponds aux questions suivantes.  

​À ton avis, pourquoi le respect entre les personnes est important? T’es-tu déjà trouvé dans une situation où tu as ressenti un manque de respect? Comment as-tu réagi? 

Dresse une liste de comportements qui démontrent ce qu’est le respect pour toi.

Communication par texto

Comment les textos peuvent rendre la communication plus facile et plus difficile? Comment pourrions-nous mal interpréter un texto? Comment pouvons-nous nous assurer que nos textes sont clairs, respectueux et que les messages seront reçus comme nous l’avions prévu?

Perimeter of composite shapes

 What is the perimeter of the Norman window? How did you find your answer?