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Real Life Math - Book 2

Exploring mathematical concepts in practical everyday situations.

Real Life Math - Book 2 by David J. Cohen
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wide cross section of mathematical concepts for students to tackle and become immersed in. For example, this could include: multiplication, adding, division, subtraction, rounding, reading analogue and digital clocks, graphing and interpreting data, identifying shapes, decimals, scales, location, maps, direction, working with temperatures, chance, measuring area, estimation, prime numbers, identifying shapes, calendars and ordering. The concepts covered include: "Planning a Party", "Owning a Credit Card", "Maths in the Movies",  "Buying a Widget" and "the Stock Market". The nature of these activities and questions also lend themselves to further discussion beyond what is covered in the activities. There are many "open-ended" questions throughout the book. Students attempting open-ended questions for the first time often get confused and think they don’t have enough information to successfully answer the question. To help understand the nature of these questions, write a sample question on the board and invite children to list the information that they think is missing. Students will soon discover that "could" type questions can include several different answers and subsequently, they have all the information they need in order to answer the question. Practising with open-ended questions will soon tune their thinking into a more flexible and deeper approach in finding different solutions to the same problem.
Ready-Ed Publications; May 2004
38 pages; ISBN 9781863975940
Read online, or download in secure PDF format
Title: Real Life Math - Book 2
Author: David J. Cohen

Making Connections: Your Assignments

Select from the following:

Bring an empty food package to school, e.g. cereal box. Pull it apart to identify and examine its net. Construct your own 3D food-packing container from a 2D net. Label the container to give it a realistic appearance.

Bring a food label packet to school, e.g. a potato chip packet or a label from a can of baked beans. Discuss with your class the types of things that you usually find on food labels, such as: an ingredients list (notice how the ingredients are listed in order of volume; nutritional information (notice how the ratios are calculated per serving); price; use by date; percent considered fat (fat free); and volume (net weight).

Design and make your own product label. Use as much math as you can in your final presentation. You may also cover your label over a solid shape such as a tin or make your own 3D shape using a net to give it a real feel and look.

The teacher has asked you to organize and plan a special party for the entire class. With a budget of $10 per person, show:

• How many people are in the class. Establish your total budget;

• Include at least five different dishes with a list of ingredients and the total cost of making each of those dishes. You may need to visit a supermarket (or their website) to find the costs. You can also check junk mail for prices.

• What will you serve for drinks? List the types of drinks you are having and the quantities you will need of each drink. Find out the costs for the drinks.

• Make a list of the decorations and their costs. You might want to investigate the cost of helium balloons, streamers, party poppers and so on. Some parties like to have games and prizes. If you are going to have prizes, list what you will need and the costs for these prizes.