copyright@Ed2netLearning,Inc METRIC WEIGHT UNITS GRADE 3 copyright@Ed2netLearning,Inc

copyright@Ed2netLearning,Inc Hello, How are you doing? Today, we are going to start a new lesson on weight. copyright@Ed2netLearning,Inc

copyright@Ed2netLearning,Inc Mass The amount of matter in an object is termed as mass. Example – The mass of a box is 4 Kg. copyright@Ed2netLearning,Inc

copyright@Ed2netLearning,Inc Weight Weight - A measurement that tells how heavy an object is. Example – the backpack weighs 5 pounds. 1 pound (lb) = 16 ounces (oz) 1 ton = 2,000 pounds copyright@Ed2netLearning,Inc

copyright@Ed2netLearning,Inc Metric Unit of mass Metric Units of mass are- Kilogram (Kg) Gram (g) 1 Kilogram (kg) = 1,000 gram (g) copyright@Ed2netLearning,Inc

copyright@Ed2netLearning,Inc Examples Kilogram is a bigger unit. Objects with more mass are measured in Kilogram. Examples – cycle, car, telephone Objects with less mass are measured in grams. Example – paper pins, pencils copyright@Ed2netLearning,Inc

Is 960 grams more or less than a kilogram? Answer- 960 grams is less than a Kilogram as 1 Kg = 1,000 grams 960 grams < 1,000 grams copyright@Ed2netLearning,Inc

copyright@Ed2netLearning,Inc Conversion Unit To Convert Kilogram (kg) to gram (g)- Multiply with 1,000 Example- 5 Kg = 5 x 1,000 = 5,000 grams To Convert grams (g) to Kilogram (kg)- Divide with 1,000 Example – 6,000 g = 6,000/1,000 = 6 Kg copyright@Ed2netLearning,Inc

How many grams are there in 9 Kg? Answer- 9,000 grams copyright@Ed2netLearning,Inc

Chooser the better estimate for a boat. 1,000 g 1,000 Kg 100 g copyright@Ed2netLearning,Inc

Use + or – to make the equation true. a) 500 g О 500 g = 1 kg b) 1500 g О 500 g = 1 Kg Answer – + - copyright@Ed2netLearning,Inc

copyright@Ed2netLearning,Inc Manuel caught a fish with a mass of 2 Kilogram. Did the fish weigh more or less than 1300 gram? Answer- More than 1300 g copyright@Ed2netLearning,Inc

Would you use kilogram or gram to find the weight of the building? Answer- Kilogram (kg) copyright@Ed2netLearning,Inc

copyright@Ed2netLearning,Inc Write True or False. 5 Kg is less than 3299 grams Mass of an object does not depend on the size of an object. Answer- False True copyright@Ed2netLearning,Inc

copyright@Ed2netLearning,Inc ASSESSMENT copyright@Ed2netLearning,Inc

copyright@Ed2netLearning,Inc 1. Which has more mass? A kite An ice cream An egg A potato copyright@Ed2netLearning,Inc

Complete the number sentence. 2500 g + ----- = 4 kg Answer - 1500 gm copyright@Ed2netLearning,Inc

copyright@Ed2netLearning,Inc 3. Which has more mass? a) b) c) Answer- a copyright@Ed2netLearning,Inc

4. A Kitten has a mass of 3,000 grams. What is its mass in Kilograms? Answer – 3 Kg copyright@Ed2netLearning,Inc

5. Choose the better estimate of a pair of sunglasses. 150 grams 150 kilograms 1500 grams 1500 kilograms copyright@Ed2netLearning,Inc

copyright@Ed2netLearning,Inc 6. An orange has a mass of 100 grams. What is the mass of 20 oranges in kilograms? Answer- 2 Kg copyright@Ed2netLearning,Inc

7. Compare using >, < or = a) 5 Kg О 5,000 g b) 6 Kg О 6325 g c) 2 Kg О 1251 g Answer- = < > copyright@Ed2netLearning,Inc

copyright@Ed2netLearning,Inc 8. What metric unit of mass would you use to measure the mass of a pack of 5 books? Answer- Kilogram (kg) copyright@Ed2netLearning,Inc

9. Kilogram is used to measure ----. Length Capacity mass copyright@Ed2netLearning,Inc

copyright@Ed2netLearning,Inc List the items from greatest to least mass. Bicycle, trunk of banana tree, book Answer- trunk of banana tree, bicycle, book copyright@Ed2netLearning,Inc

copyright@Ed2netLearning,Inc Recap Mass Weight Metric units Examples Solved Examples Unsolved Problems copyright@Ed2netLearning,Inc

copyright@Ed2netLearning,Inc Good Work! Now Practice worksheets on the Lesson. copyright@Ed2netLearning,Inc