Architect Seamstress Taxi driver Interior designer Fashion designer Truck driver Carpenter Landscaper Travel agent Farmer Contractor LENGTH: MEASUREMENT CONVERSIONS MISS OBERLANDER HERE’S A LITTLE RAP TO HELP! When you are converting on the fly, Bigger to smaller, you multiply! When you’re converting, don’t hide, Smaller to bigger, just divide! HOW TO CONVERT • Given: 48 inches= __________ feet • Step 1: Write what conversion you KNOW between inches and feet in the same order as the problem. Know: ______ inches = 1 foot • Step 2: Think AM I going bigger to smaller or smaller to bigger? Inches feet (small) TO (big) • If you are going bigger to smaller, you will multiply! x • If you are going smaller to bigger, you will divide! ÷ • Step 3: Set up a math problem using what you know with what you were given. Know: 12 inches = 1 foot Given: 48 inches 48 ÷ 12 = • Step 4: Ask yourself, “Does my answer make sense?” • There are 48 inches in 4 feet. HOW TO CONVERT • Given: 5 miles = __________ feet • Step 1: Write what conversion you KNOW between inches and feet in the same order as the problem. Know: 1 mile = ________ feet • Step 2: Think AM I going bigger to smaller or smaller to bigger? miles feet (big) TO (small) • If you are going bigger to smaller, you will multiply! x • If you are going smaller to bigger, you will divide! ÷ • Step 3: Set up a math problem using what you know with what you were given. Know: 1 mile = 5,280 feet Given: 5 miles 5,280 x 5 = • Step 4: Ask yourself, “Does my answer make sense?” • There are 26,400 feet in 5 miles. HOW TO CONVERT • Given: 52 yards = __________ feet • Step 1: Write what conversion you KNOW between inches and feet in the same order as the problem. Know: 1 yd = ________ feet • Step 2: Think AM I going bigger to smaller or smaller to bigger? Yards feet (big) TO (small) • If you are going bigger to smaller, you will multiply! x • If you are going smaller to bigger, you will divide! ÷ • Step 3: Set up a math problem using what you know with what you were given. Know: 1 yard = 3 feet Given: 52 yards 52 x 3 = • Step 4: Ask yourself, “Does my answer make sense?” • There are 156 feet in 52 yards. WHAT ABOUT CONVERSIONS WITH METRIC? • The steps remain the same! • Just remember the conversions we memorized: • • • • 1,000 millimeters = 1 meter 100 centimeters = 1 meter 10 decimeters = 1 meter 1,000 meters = 1 kilometer • Multiplying and dividing with 10s is even easier! • That’s why the rest of the world prefers to use METRIC rather than customary measurement. HOW TO CONVERT • Given: 200 centimeters = __________ meters • Step 1: Write what conversion you KNOW between inches and feet in the same order as the problem. Know: ___________centimeters = 1 meter • Step 2: Think AM I going bigger to smaller or smaller to bigger? centimeters meters (small) TO (big) • If you are going bigger to smaller, you will multiply! x • If you are going smaller to bigger, you will divide! ÷ • Step 3: Set up a math problem using what you know with what you were given. Know: 1 meter = 100 centimeters Given: 200 centimeters 200 ÷ 100 = • Step 4: Ask yourself, “Does my answer make sense?” • There are 2 meters is the same as 200 centimeters. HOW TO CONVERT • Given: 45 kilometers = __________ meters • Step 1: Write what conversion you KNOW between inches and feet in the same order as the problem. Know: 1 kilometer = 1,000 meters • Step 2: Think AM I going bigger to smaller or smaller to bigger? kilometers meters (big) TO (small) • If you are going bigger to smaller, you will multiply! x • If you are going smaller to bigger, you will divide! ÷ • Step 3: Set up a math problem using what you know with what you were given. Know: 1 kilometer = 1,000 meters Given: 45 kilometers 45 x 1,000 = • Step 4: Ask yourself, “Does my answer make sense?” • There are 45,000 meters is the same as 45 kilometers.