More Math Quickie Lessons

Here are some more math quickie lessons from the Washington Times.

Areas and Percents: Compute the area of the advertisements on one page of the newspaper.  What percentage of the page is used for advertisements? Do this with several different pages and different section of the newspaper, then figure the average amount of space used for ads.

Conversion to Metric Measure: Find a recipe in the newspaper. Clip and mount on a paper. Convert the English measures to metric units of measure.

Millionaire Spending Spree: Imagine that a millionaire died and left $1 million to you, tax-free. However, (1) you must spend one-half the money within one week’s time; (2) you cannot spend more than half the money during the week on any one item; (3) you cannot buy more than one of any item; (4) you can’t give the money to anyone except for services rendered; (5) your total expenditure for the week must be exactly $500,000; and (6) you must locate all items you will buy in the newspaper. Present your plan for spending the money. Which items cost large amounts of money? How did you make up the difference with small items?

Price Per Square Foot: Identify classified ads in the newspaper that list both price and square footage of three houses for sale. Compute the price per square foot for each house.

Less, Equal or Greater: Identify articles in the newspaper that include numbers representing relationships of less than, equal to or greater than.

Try Using the Trick of the Nines‚ to Help Kids in Math
Is your child having trouble learning the 9 times table? Here’s a trick to help. Multiply any number by 9, and the answer will always add up to 9.

Try it. 2 times 9 equals 18, and 1 plus 8 equals 9. 8 times 9 equals 72, and 7 plus 2 equals 9.

The trick works for very large numbers, as well, like this: 8142 times 9 equals 73,278. 7 plus 3 plus 2 plus 7 plus 8 equals 27˜and 2 plus 7 equals 9.

Give your child a calculator and let her try it for herself.
— Taken from Parents Make the Difference!