GEAR UP FOR LIFE

MATH PRACTICE: Child Development

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Weight Conversions

A conversion is a process of translating an amount from one unit to another. In the United States, we use the English system of measuring. In other parts of the world, people use the metric system. No matter where you live, you will have to convert measurement if you want to order parts, materials, or just understand how other people think.

 For extra help with conversions, click on the Math Mentor Button.

 Use the conversion tables in the math mentor to do the following conversion problems.

1.    Baby Jane weights 25 pounds.  How many kilograms does she weigh?

ANSWER 11.36 kilograms (25 divided by 2.2)

2.    When Bobby was 13 years old, he weighed 110 pounds.  How many kilograms did he weigh?

ANSWER 50 kilograms (110 divided by 2.2)

3.    Your son met a French student at his school.  He said he weighed 45 kilograms. How many pounds did he weigh? 

ANSWER 99 pounds (45 X 2.2)

4.    Your doctor told you to make sure your baby drinks 8 fluid ounces of water every day.  How many milliliters would that be?

ANSWER 236.56 milliliters (1 oz = 29.57 ml)

5.    You have 473 milliliters of baby formula.  How many ounces would that be?

ANSWER 15.99 ounces, rounded off to 16 oz. would be fine (29.57 ml = 1 oz)

6.    Your baby is sick.  He has a temperature of 104^oF.  Change his temperature to Centigrade.   Here's the formula to change degrees to Centigrade:  C = (F  -  32) divided by 1.8)

ANSWER 40 degrees centigrade

7.    Mary is 3’5” tall.  Change her height to centimeters. 

ANSWER 104.14 centimeters (1 inch = 2.54 cm)

8.    Juan is 82 centimeters tall.  Change his height to feet and inches 

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