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NCERT Textbook- Measurement | Mathematics for Class 1: NCERT PDF Download

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93
Longer – Shorter
Tick ( ) the . ü Longer
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7 Measurement
Longer Shorter
Refer to page no. 144 to develop understanding of measurement.
Teachers Note
2019-2020
Page 2


93
Longer – Shorter
Tick ( ) the . ü Longer
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7 Measurement
Longer Shorter
Refer to page no. 144 to develop understanding of measurement.
Teachers Note
2019-2020
___________________
___________________
Longest
Shortest
Longest–Shortest
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___________________
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Tick ( ) the .  Shortest
Tick ( ) the .  Longest
94 2019-2020
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93
Longer – Shorter
Tick ( ) the . ü Longer
Tick ( ) the . ü Shorter
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Shorter           Longer
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_________
_______
_______
_________
_________
_______
_______
7 Measurement
Longer Shorter
Refer to page no. 144 to develop understanding of measurement.
Teachers Note
2019-2020
___________________
___________________
Longest
Shortest
Longest–Shortest
_____
_____
___________________
___________________
_____
_____
___________________
___________________
_____
_____
___________________
___________________
_____
_____
Tick ( ) the .  Shortest
Tick ( ) the .  Longest
94 2019-2020
95 Taller–Shorter
Tick ( ) the .  Shorter
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Taller Shorter Taller Shorter
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Tick ( ) the .  Taller
2019-2020
Page 4


93
Longer – Shorter
Tick ( ) the . ü Longer
Tick ( ) the . ü Shorter
_________
_________
_______
_______
_________
_________
_______
_______
_________
_________
_______
_______
_________
_________
_______
_______
Shorter           Longer
_________
_________
_______
_______
_________
_________
_______
_______
7 Measurement
Longer Shorter
Refer to page no. 144 to develop understanding of measurement.
Teachers Note
2019-2020
___________________
___________________
Longest
Shortest
Longest–Shortest
_____
_____
___________________
___________________
_____
_____
___________________
___________________
_____
_____
___________________
___________________
_____
_____
Tick ( ) the .  Shortest
Tick ( ) the .  Longest
94 2019-2020
95 Taller–Shorter
Tick ( ) the .  Shorter
_________
_________
_______
_______
_________
_________
_______
_______
_________
_________
_______
_______
Taller Shorter Taller Shorter
_________
_________
_______
_______
_________
_________
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_________
_________
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Tick ( ) the .  Taller
2019-2020
96 Tallest                                                      Shortest
Tallest–Shortest
Tick ( ) the .  Shortest
Tick ( ) the .  Tallest
Tallest                                                      Shortest
_____ _____ _____ ______
_____ _____ _____ ___ _ __
___________________
___________________
___________________
___________________
___________________
___________________
___________________
___________________
2019-2020
Page 5


93
Longer – Shorter
Tick ( ) the . ü Longer
Tick ( ) the . ü Shorter
_________
_________
_______
_______
_________
_________
_______
_______
_________
_________
_______
_______
_________
_________
_______
_______
Shorter           Longer
_________
_________
_______
_______
_________
_________
_______
_______
7 Measurement
Longer Shorter
Refer to page no. 144 to develop understanding of measurement.
Teachers Note
2019-2020
___________________
___________________
Longest
Shortest
Longest–Shortest
_____
_____
___________________
___________________
_____
_____
___________________
___________________
_____
_____
___________________
___________________
_____
_____
Tick ( ) the .  Shortest
Tick ( ) the .  Longest
94 2019-2020
95 Taller–Shorter
Tick ( ) the .  Shorter
_________
_________
_______
_______
_________
_________
_______
_______
_________
_________
_______
_______
Taller Shorter Taller Shorter
_________
_________
_______
_______
_________
_________
_______
_______
_________
_________
_______
_______
Tick ( ) the .  Taller
2019-2020
96 Tallest                                                      Shortest
Tallest–Shortest
Tick ( ) the .  Shortest
Tick ( ) the .  Tallest
Tallest                                                      Shortest
_____ _____ _____ ______
_____ _____ _____ ___ _ __
___________________
___________________
___________________
___________________
___________________
___________________
___________________
___________________
2019-2020
97 Thicker–Thinner
Tick ( ) the .  Thicker
Tick ( ) the .  Thinner
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Thinner           Thicker
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Thicker           Thinner
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2019-2020
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FAQs on NCERT Textbook- Measurement - Mathematics for Class 1: NCERT

1. What is measurement and why is it important?
Ans. Measurement is the process of comparing an unknown quantity with a known standard to determine its value. It is important because it provides a common language for expressing quantities and ensures accuracy and consistency in various fields such as science, engineering, and commerce.
2. How are measurements classified?
Ans. Measurements can be classified into two types: direct measurements and indirect measurements. Direct measurements are obtained by comparing the unknown quantity directly with a standard, while indirect measurements are obtained by measuring other quantities related to the unknown quantity and using mathematical formulas or equations to calculate its value.
3. What are the different units of measurement used in the metric system?
Ans. The metric system uses various units of measurement. The basic units include meter for length, kilogram for mass, second for time, ampere for electric current, kelvin for temperature, mole for amount of substance, and candela for luminous intensity. These units can be combined or converted using prefixes such as kilo, milli, and centi to express larger or smaller quantities.
4. How can accuracy and precision be distinguished in measurements?
Ans. Accuracy refers to how close a measured value is to the true value, while precision refers to how consistent and reproducible a measured value is. In other words, accuracy is a measure of correctness, while precision is a measure of consistency. For example, if multiple measurements of the same quantity yield similar results, it indicates high precision, while if the average of these measurements is close to the actual value, it indicates high accuracy.
5. What are the common instruments used for measurement?
Ans. There are several common instruments used for measurement in different fields. Some examples include rulers or measuring tapes for length, balances or scales for mass, stopwatches or clocks for time, thermometers for temperature, voltmeters or ammeters for electric current, and spectrophotometers for measuring light intensity. These instruments are designed to provide accurate and precise measurements in their respective domains.
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