Measuring Length
Class 4 · Mathematics · 18 Questions
Recall in Grade 3 you studied that lengths are measured in metres. Check and fill in the blanks whether the following are correct/incorrect for your classroom.
Walk, Jump, and Crawl on 1, 5 and 10 m line. Draw lines of 1 m, 5 m, and 10 m on the floor of the classroom or outside in the playground. How will you make these lines? Think and share with your friends. Walk, jump, and crawl on the lines.
Long Jump. Each child can participate in a long jump competition. How far have your friends jumped? Measure as accurately as possible using a combination of ropes. Who jumped the longest distance? Fill the following table.
| Name of the student | Estimated length of the jump | Actual measurement |
|---|---|---|
| Less than 1 m | 1 m | More than 1 m |
Estimate how long and broad is your classroom. Measure and check.
Compare the metre rope with the measuring tape used by a tailor. Is the length of both the same or different?
Fill in the blanks: 1/2 m = ____ cm, 1/4 m = ____ cm
Estimate the lengths of the following and compare your responses with your friends, in the grade. Write some examples of things that can be lesser than or equal to 1 cm in length. Verify by measuring.
Take three toy cars and find out how far each one can go. You can use a small wooden ramp, or you might like to make a ramp using any material that you have. Measure the distance each of your cars travels using measuring tape and write the answers in cm.
Trace your hand on a piece of paper. Measure it using the scale. Length of my hand = _____ cm
Use your hand to estimate the measurement of any object. Convert into centimetres. Verify using the scale.
The length of a board is 2 metres. Sonu has a decorative border sticker which is 20 cm long. How many such stickers are needed to cover the length of the board completely?
The Village Sarpanch got the depth of some wells in his village measured by two different people. Fill the blanks such that the depths are the same.
Identify the wells with the same depth and match them.
Height of the tallest child is ____.
Height of the shortest child is ____.
Number of children who are more than 1 m tall ____.
Number of children who are shorter than 1 m ____.
Estimate and measure the perimeters of shapes around you using a scale and write them in the space given below.
| S. No. | Object | Estimated perimeter in cm/m | Actual measure in cm/m |
|---|---|---|---|
| 1. | Desk | ||
| 2. | Blackboard | ||
| 3. | Classroom floor | ||
| 4. | |||
| 5. | |||
| 6. |