Subtraction (IMO Mathematics Olympiad (SOF) Class 1): Questions 30  35 of 63
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Question number: 30
» Subtraction
Question
There are
balloons. How many are left?
Choices
Choice (4)  Response  

a.  7 

b.  4 

c.  3 

d.  5 

Question number: 31
» Subtraction
Question
3 tens 4 ones 2 tens 2 ones =
Choices
Choice (4)  Response  

a.  12 

b.  23 

c.  14 

d.  13 

Question number: 32
» Subtraction
Question
There are
in the pond.
jumped off. How many are left?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 33
» Subtraction
Question
How many more yellow caps are needed so that yellow caps are equal to red caps?
Choices
Choice (4)  Response  

a.  6 

b.  7 

c.  4 

d.  2 

Question number: 34
» Subtraction
Question
How many more purple balls are needed so that purple balls are equal to orange balls?
Choices
Choice (4)  Response  

a.  7 

b.  5 

c.  6 

d.  4 

Question number: 35
» Subtraction
Question
, then which of the following is correct?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
