# Estimate, Measure And Calculate Physical Quantities To Solve Problems

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Activity 3 (Individual and Group) US12444 SO1 AC1-7; EEK2, 3 Estimate, measure and calculate physical quantities to solve problems in practical situations: 1. John decides to double-check his estimated measurement before he buys the material and uses his tape measure to accurately measure the width of the window. He determines that the window is 2,2 m wide. a. How many metres of material does he need to buy? b. How much will the material cost? 2. Mr. Tshabalala has just finished building a new house. He measured the distance around his yard and found it to be 90 m. Fencing material is sold at R 95,20 per metre. How much is the fencing material going to cost him? Suppose he has to put a pole after every 1,5 m. How many poles will…show more content…
A six pack of soft drinks contains 6 cans of 330 ml each. What is the total volume of soft drink in a six pack? Give your answer in litres. 8. A large juice container has a capacity of 30 litres. a. If the container is 75% full, calculate the amount of juice in the container in litres. b. How many 300 ml cups of juice can you fill (to the top)? 9. James uses the following recipe to make chocolate muffins: 2/3 cup of baking cocoa 2 large eggs 2 cups of flour 1/2 cup of sugar 2 teaspoons of baking soda 1 1/3 cups of milk 1/3 cup of sunflower oil 1 teaspoon of vanilla essence 1/2 teaspoon of salt a. If 1 teaspoon = 5 ml, calculate how much baking soda Jonathan will use. Give your answer in ml. b. Calculate the amount of vanilla essence Jonathan will use in this recipe. Give your answer in ml. c. James does not own measuring cups, but he does own a measuring jug calibrated in ml. How many ml of flour does he need? (1 cup = 250 ml). d. If James buys a 100-ml bottle of vanilla essence, how many times will he be able to use the same bottle, if he bakes the same number of muffins each time? e. The recipe above is used to make 30 muffins. Calculate how many cups of flour James will need to make 45