NSTSE (National Science Talent Search Exam Unified Council) Class 3: Questions 450  455 of 2156
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Question number: 450
» Mathematics » Addition and Subtraction
Question
If red square represents TEN, then what number represents the given addition?
Choices
Choice (4)  Response  

a.  44 

b.  4 

c.  208 

d.  280 

Question number: 451
» Mathematics » Numbers
Question
Use all digits above and answer the following questions:
The smallest 3 digit number formed is:
Choices
Choice (4)  Response  

a.  751 

b.  157 

c.  175 

d.  517 

Question number: 452
» Mathematics » Multiplication
Question
Kanu has two Pizzas that are cut into 6 slices each. He and 3 friends eat 5 slices which of these shows one way to find the number of slices Kanu has left?
Choices
Choice (4)  Response  

a.  Multiply 2 by 6 and then subtract 5 

b.  Multiply 3 by 2 and then add 5 

c.  Multiply 2 by 2 and then add 4 

d.  Multiply 1 by 2 and then add 8 

Question number: 453
» Mathematics » Addition and Subtraction
Question
One hundred more than 456 is:
Choices
Choice (4)  Response  

a.  655 

b.  556 

c.  566 

d.  656 

Question number: 454
» Mathematics » Multiplication
Question
Choices
Choice (4)  Response  

a.  2 

b.  5 

c.  6 

d.  4 

Question number: 455
» Mathematics » Addition and Subtraction
Question
Mira had 90 days of summer vacation. Each day she did one fun exercise. She swam on 30 of the days and played basketball on 22 of days. She rode her bike on all the other days of her vacation. Which number sentence shows one way to find the number of days that Mira rode her bike?
Choices
Choice (4)  Response  

a.  90 + 30  22 

b.  90 + 30 + 22 

c.  90 – 30 – 22 

d.  90 – 30 + 22 
