The correct option is
D All of the above
Solution: Option D
Say: Let’s read the question and observe the image.
Ask:
How many counters are there in the number frame?
Ans: 18
What do we need to find out?
Ans: We need to identify the correct equation from the given options that represents the number frame.
Do you think option A is correct? Why?
Ans: Yes, because if we add 10 and 8, we get 18 as the total.
Do you think option B is correct? Why?
Ans: Yes, because like 10 and 8, if we add 13 and 5, we get 18 as the total.
Do you think option C is correct? Why?
Ans: Yes, similarly, if we add 15 and 3, we get 18 as the total.
Which of the three equations do you think represents the number frame?
Ans: All three, because they are three different ways of making 18.
Hence, option D is the correct answer.
WB: If required, use the whiteboard to draw the number frame and explain that there are different ways to make 18.