_______________________________________________________________________ Copyright © Ed2Net Learning, Inc. 1 Measurement Grade 2
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc.2 Welcome Hello! How are you today. Lets start a new chapter !
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc.3 Nonstandard Units You can use units such as paper clips to estimate and measure length. The pen looks about 3 paper clips long. Line up the units with the end of the object Estimate before you measure
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc.4 Try This! Lily wants to measure the length of her classroom. Circle the best unit to use. Explain why.
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc.5 Length-Inch, Foot and Yard Inch Inch is one of the units of Length. Length of an article can be measured in inch. Inch can also be written as (in.) In inch
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc.6 How do we measure in inch? We take help of inch ruler to measure length. You should measure anything from one end to another. Place one end of the pen at 0 on the ruler, see where does the other end finishes on the ruler. Now, you can record the length. Inch (Cont.)
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc.7 Do you want to measure the length of the crayon ? Lets use the inch ruler. Now, place one end of pen at 0 on inch ruler. The end of the crayon touches 3 on the ruler. Great!! Now we know the crayon is 3 inch long. Well Done. Inch (Cont.) Example: In. 123 CRAYON
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc.8 Length-Inch, Foot and Yard Foot Foot is the other unit of length. Foot can also be written as (ft.) One Foot is bigger than one inch. One foot is equal to 12 inches. Feet is plural of Foot.
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc.9 How do we measure in Foot (Feet)? This is used to measure slightly bigger objects. We use ruler or inch tape. Examples of measuring in feet are desk, doorway, shelf etc. Foot (Cont.)
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc.10 Now lets measure the length of your desk. You can use ruler or inch tape. Write your answer in foot. Example: Foot (Cont.)
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc.11 Yard Yard is another unit of measuring length. This is a bigger unit than feet and inch. Yard can also be written as (yd). 1 yard = 3 feet or 36 inches. Length-Inch, Foot and Yard
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc.12 Lets take the example of measuring how big is your room’s floor what is the length of your rug? We use Yardstick to measure these bigger objects. How do we measure in Yard? Yard (Cont.)
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc.13 Measuring Length Lets write the units in which the above pictures are measured? 1)Wall (in yards) 2)Brush (in inches) 3) Desk (in feet )
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc.14 Match the object about as long as the estimate. 1. About 1 inch Cube 2. About 1 foot Book 3. About 2 yards Bookshelf 4. About 8 inch Chalk Eraser Example: Measuring Length
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc.15 Note Don’t get confused with the word in for (in.) Different instruments can be used to measure various objects. Feet is the plural of foot. There is more than one way to measure objects. An item measured in yards can also be measured in feet. Something to remember !
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc.16 Practice Find the objects shown below around you and give estimate. Then measure and record. ObjectEstimateMeasure Practice
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc.17 Practice Try measuring your Shoe with a ruler. Practice (Cont.)
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc.18 Can you measure your waist with an inch tape? Practice (Cont.) Practice
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc.19 Estimate the length of lines Shown below: Practice (Cont.) Practice
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc.20 Do you know how long is your base ball bat ? Use a ruler and measure it in Inches. Practice (Cont.) Practice
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc.21 Have you used a postage stamp? How many inches long is a postage stamp? You can make a guess if couldn’t find one. Practice (Cont.) Practice
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc.22 Which is longer- 6 inch pencil or 8 inch stapler? Practice (Cont.) Practice
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc.23 Break!!
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc.24 Assessment 1. Can you estimate the length of the toy Train ?
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc Use inch ruler to measure these objects on screen. Assessment (Cont.)
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc Can you choose the longest from the following: 1. 6 inches 2. 1 foot 3. 2 yards 4. 3 inches Assessment (Cont.)
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc Which animal is the Tallest? 1. Giraffe 2. Elephant 3. cow Assessment (Cont.)
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc Now can you measure your height in feet and inches. Assessment (cont.)
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc How much shorter is the card? A book is 10 inch long. A card is 4 inch long. Assessment (Cont.)
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc A Flower is 8 inches long and a leaf is 3 inches long. How much longer is the Flower? Assessment (Cont.)
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc A Paper clip is 2 inches long. How long is a chain of 3 paper clips? Assessment (Cont.)
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc A Pencil box is10 inches long. A pencil is 7 inches long. How much longer is the Pencil box than the Pencil? Assessment (Cont.)
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc Which line is the shortest in the following: Assessment (Cont.)
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc.34 Recap In this lesson you have learnt: 1. How to measure length. 2. Measuring in Inch, feet and yards. 3. Using different instrument to measure.
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc.35 Recap 1. How to use inches, feet and yards to measure an object. 2. How the length of object helps you to decide which unit is best to use. 1 feet = 12 inches 1 yard = 3 feet = 36 inches
_______________________________________________________________________ Copyright © Ed2Net Learning, Inc.36 Excellent Work!!! Now Practice your worksheets to learn more about measurements.