Question

There are $9$ parrots and $11$ parakeets. How many more parakeets are there than parrots? Complete the equation below.
$9+$ __ $=11$

• A. $11;9$
• B. $2;11$
• C. $3;3$
• D. $2;2$

Answer 1

The correct option is D $2;2$

Ask:
$\bullet$ How many parrots are there?
Ans: $9$
$\bullet$ How many parakeets are there?
Ans: $11$
$\bullet$ How do we find the difference?
Ans: By subtracting the smaller number, i.e., $9$ from the bigger number, i.e., $11.$
$\bullet$ What is the difference?
Ans: $11–9=2$
$\bullet$ So, how many more parakeets are there than parrots?
Ans: $2$

Say: Now let's find the missing number in the given equation.

Ask:
$\bullet$ How do we find the total?
Ans: By adding two smaller numbers to get a bigger number.
$\bullet$ Using the same three numbers $2,9,$ and $11,$ what addition equation can be framed?
Ans: $2+9=11$ or $9+2=11$
$\bullet$ Based on the given addition equation, what is the complete equation?
Ans: $9+2=11$

Hence, Option B is correct.

WB: If required, use the whiteboard to represent the bigger and smaller number as shown and write the subtraction equation.