If two quantities x and y vary inversely with each other, then which one of the following is true?

• Product of their corresponding values remains constant
  
  

• Summation of their corresponding values remains constant
  
  

• Difference of their corresponding values remains constant
  
  

• Ratio of their corresponding values remains constant

Given $7x\times 6yyy$

Then, the value of y is

• 6
  
  

• 4
  
  

• 2
  
  

• 8

To fill a rectangular tank of area  700m², 140 m³ of water is required. What will be the height of the water level in the tank?

• 
  20 cm
  
  

• 30 cm
  
  

• 40 cm
  
  

• 10 cm

4.

Which one of the following is the most suitable strategy to teach the skill of addition of money?

• Roleplay
  
  

• Use of models
  
  

• Doing lots of problems
  
  

• Use of ICT

After teaching the concept of multiplication to her class, a teacher asked her children to multiply 48 by 4. One of her students solved it orally as "To multiply 48 by 4, we first add 48 to 48, which makes 96 and then add another 96 to reach 192. So, the answer is 192". What can you say about his/her strategy of multiplication?

• He/She has not understood the concept of multiplication.
  .

• The given problem is a multiplication problem and not addition problem.
  
  

• He/She understood multiplication as repeated addition.
  
  

• The child used a wrong method to multiply.He/She has to use the place value algorithm to multiply the numbers

Which one of the following should be taken up as initial activity in introducing the concept of 'time' to young learners?

• Teaching children how to read time in clock
  
  

• Teaching children how to calculate elapsed time
  
  

• Conversion of time in different units
  
  

• Discussing about the prior experiences with phrases related to time

Which one of the following is not the purpose of assessment?
A. Monitoring student's growth
B. Making instructional decision
C. Evaluating the effectiveness of curriculum
D. Ranking the children based on performance

Select the correct answer using the codes given below

• D
  
  

• B
  
  

• C
  
  

• A

Which one of the following methods is most suitable for teaching mathematics at the upper primary level?

• Lecture method
  
  

• Activity-based learning
  
  

• Problem-solving method
  
  

• Demonstration method

Which one of the following is most essential in learning mathematics at upper primary level?

• Exploring different ways of solving a problem.
  
  

• Memorising all formulas.
  
  

• Copying correctly what teacher writes on the board.
  
  

• Solving a problem many times.

The strategy of questioning used in the mathematics class at upper primary level

• makes the classroom noisy as the children would be taking too much
  
  

• could create stress among children and may lead them to accept the teacher's authority
  
  

• helps children to express their thoughts or understanding and think critically
  
  

• should be discouraged as it demoralises the child who is unable to answer