Transcript 2 minutes
Topic A Multiplicative patterns on theplace value chart STANDARD - 5.NBT.1, 5.NBT.2, 5.MD.1 Grade 5 Module 1 Lesson 4 Objective: Use exponents to denote powers of application to metric conversions. 10 with MATERIALS NEEDED FOR THIS LESSON Student Student Pages Personal White Boards meter strip Problem Set Exit Ticket Homework Teacher Teacher Pages Fluency Practice (12 minutes) Multiply and Divide Decimals by 10, 100, 1000 5.NBT.2 5 minutes 3 disks in the tens column, 2 disks in the ones column, and 4 disks in the tenths column. show: 32.4 divided by 10 32.4 x 100 32.4 100 show: 837 100 837 1000 0.418 1000 Write the Unit as a Decimal 5.NBT.1 9 tenths = ________ 10 tenths = ________ 2 minutes 20 tenths = _______ 30 tenths = _______ 70 tenths = _______ 9 hundredths = _______ 10 hundredths = _______ 11 hundredths = _______ 17 hundredths = _______ 57 hundredths = _______ 42 hundredths = _______ 9 thousandths = _______ 10 thousandths = _______ 20 thousandths = _______ 60 thousandths = _______ 64 thousandths = _______ 83 thousandths = _______ Write in Exponential Form 5.NBT.2 100 = 10? 1000 = 10? 1000 = 10? 10,000 = 10? 100,000 = 10? 3 minutes Convert Units 2 minutes 4.MD.1 1 km = _______ m 1 kg = _______ g 1 liter = _______ ml 1 m = _______ cm Application Problem (8 minutes) Mr. Brown want to withdrawal $1,000 from his bank and in ten dollar bills. How many ten dollar bills should he receive? Concept Development (30 minutes) Problem 1 Draw a line that is 2 meters long and concert it to centimeters Draw a line 2 meters long 2 meters = ______ centimeters 2 meters = ______ millimeters Can we represent the conversions with exponents? Problem 2 convert 1.37 meters to centimeters and millimeters Draw a line: 1 meter and 37 centimeters What fraction of a whole meter is 37 cm? Write 1 and 37 hundredths as a decimal fraction. How many cm is equal to 1.37 meters? use your meter stick and line and writing an equation using an exponent? 1.37 What is the equivalent measure in centimeters. Show the conversion using an equation with an exponent. What is the conversion factor? 1.37 What is the equivalent measure in millimeters. Show the conversion using an equation with an exponent. What is the conversion factor? 2.6 What is the equivalent measure in centimeters and millimeters. Show the conversion using an equation with an exponent. What is the conversion factor? 12.08 What is the equivalent measure in centimeters and millimeters. Show the conversion using an equation with an exponent. What is the conversion factor? Problem 3 A cat weighs 4.5 kilograms. convert its weight to grams. A dog weighs 6700 grams. convert its weight to kilograms. Explain your reasoning with an equation using an exponent for both. What is the conversion factor for both? The red bird weighs 2.75 kg, convert its weight to grams. The yellow bird weighs 6007g, convert its weight to kilograms. Explain your reasoning with an equation using an exponent for both. What is the conversion factor for both? Problem 4 The baker uses 0.6 liter of vegetable oil to bake brownies. How many milliliters of vegetable oil did he use? He is asked to make 100 batches for a customer. How many liters of oil will he need? After gym class. Mei Ling drank 764 milliliters of water. How many liters water did she drink? 1,045 ml = _____________ l 0.008 l = _____________ ml Problem Set (10 minutes) Do Your Personal Best (Complete independently!) Student Debrief (10 minutes) Reflect on the kinds of thinking you did on task 1 and task 2. How are they alike? How are they different? How did you convert centimeters to meters? What is the conversion factor? How did you convert meters to centimeters? What is the conversion factor? In task 3, how did you convert from meters to milliliters? What conversion factor did you use? EXIT TICKET (3 minutes) Complete the exit ticket and turn in... HOMEWORK