Ratios word problems we see some word problems. 1. Find the ratio of 90cm and 1.2m. There are two quantities 90cm and 1.2m, but units of both quantities are different. First we convert them into same units. […]
Read More →Converse of Pythagorean Theorem In this section we are going to see the converse of Pythagorean theorem. We know the Pythagorean theorem applies to right triangles and states that, The square of the length of the hypotenuse, equals the sum of the squares of the lengths of the other two sides. (hypotenuse)2 = (Base)2+(Perpendicular)2 […]
Read More →Word Problems – Percentage – Increase & Decrease Example 1: Gasoline price in year 2017 is $5.38/gallon, and in 2018 it’s price 5.68. What is the percentage of increase. Solution: Original price of gasoline is = $5.38/gallonNew price = $5.68 price increase = 5.68 – 5.38 price increase = 0.38/gallon […]
Read More →Addition of Decimal numbers 1. John bought 5kg 70g of grapes, 3kg 50g apple and 4kg 200g of mangoes. Find the total weight of all the fruits he bought? Solution: 1000g = 1kg 70g = 1/1000 x 70/1 […]
Read More →Percent Worksheet For Practice In this worksheet, we shall practice different types of percentage problems as Percentage Increase and Percentage Decrease. Percentage Increase and Percentage Decrease 1. David’s weight is 58 kg, after diet and exercise his weight is 40 kg. What is the percentage decrease in his weight. 2. A DVD recorder cost in […]
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