504 NIOS Deled Assignment 2 Question 2 Answer In English | www.nios.ac.in

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504 NIOS Deled Assignment

Course-504: Learning Mathematics at Elementary Level

1] Block 1 : Importance of Learning Mathematics at the Elementary Stage of Schooling

2] Block 2 : Enriching Contents and Methodology

3] Block 3 : Learner Assessment in Mathematics

NIOS 504 Deled Assignment 2 Question 1 Answer In English

DELED Assignment 504 Answer

Assignment 2 – Question 2

Question:- 2. Explain the common mistakes committed by children in doing measurement related problems. Suggest learning activities to rectify such mistakes.

Answer:- Learning how to use a ruler is one of the basic things that a child learns when beginning her mathematical education. One of the most common math errors which take place here is the tendency to measure from 1 instead of the 0 mark on a ruler. This leads to calculation errors and inconsistencies. Careless errors occur simply because they are not paying attention, or are working too fast. This seems obvious, but students are often in a rush to finish so that they can move on to something else. Rushing is the easiest way to ensure careless mistakes. Encourage kids to take it slow and pay attention to what they’re doing. There is always more than one way to solve a math problem. By teaching or exploring a concept in multiple ways and from multiple angles, you provide students a richer math environment and allow for deeper understanding. Plus, some students may find one method easier, while other students prefer a different method. As a classroom teacher, I always required students to show all their steps because if they used the correct procedure and showed me that they understood the concept.

For example:

When measuring a line segment, a child might begin from the 1 marking on the ruler, thereby getting a completely wrong reading. Set up two stations for students to practice measuring length, width, height, and weight.

Station 1 – Place several classroom objects and the ruler, tape measure, and yardstick at the station. Have students take turns using the measuring tools to find the length, width, and height of each object. They should record their measurements in Chart 1 Measuring the Length, Width, and Height of Objects. Then they can compare and discuss measurements using terms like greater than, less than, longer, and shorter.

Station 2 – Place several classroom objects and the scale at the station. 

Have students take turns weighing each object. They should record their measurements in Chart 2 Measuring the Weight of Objects. Then they can compare and discuss measurements using terms like greater than, less than, heavier, and lighter.


Set out bowls, measuring cups, and spoons for your child to explore. Practice measuring with a variety of substances. Cheerios, rocks, dominoes, flour, water, dirt, sand – whatever you feel comfortable allowing your child to use. Substances that can be level (like water, flour, sand, and dirt) are great for teaching the skill of line reading and making measuring cups level to accurately measure something.

Letting your child help in the kitchen is the perfect time to hone measuring skills. Measuring ingredients for recipes and adding them in will give your child real life experiences to draw on later.


Teach child how to correctly use a ruler. Place the end of the object to be measured at the zero line on the ruler. For many rulers, the zero line is the end of the ruler; other rulers, the zero line is the first mark on the ruler.

For Aiden’s age, we just work on pointing to the number the object is the
closest. For older children, you can show them how to use the marks in between the large numbers (1/2, 1/4, 3/4 and even the 1/8ths or 1/16ths if you are so inclined). It is also a great idea to teach children how to measure in both inches and centimeters. Each of the marks on the centimeter side of a ruler is 1 millimeter (1/10 of a centimeter). This division is actually a little easier than the sixteenths on the inches side of the ruler.


Non-standard measuring is another way to teach children how to measure. Instead of measuring with a ruler with numbers, you use any object you wish to measure. For example, we used sticky notes to measure Aiden’s cars. We lined up the sticky notes  one after the other. Aiden’s cars were 6 sticky notes long.

We can use your child’s hands, feet, or body to measure things. How many
“feet” long is your bed? How many Aiden’s long is your room? Non-standard measuring introduces the concept of measurement and allows children to begin to practice the skill.

NIOS 504 Deled Assignment 1 Question 2 Answer In English

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