ISEE Primary 4 Math : Number Sense and Operations

Study concepts, example questions & explanations for ISEE Primary 4 Math

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Example Questions

Example Question #1 : Number Sense And Operations

What is  rounded to the nearest ten? 

Possible Answers:

Correct answer:

Explanation:

When we round a number to the tens place we look to our ones place to tell us if we round up or down. If the number in our ones place is  or greater, we round up. If the number in the ones place is  or less, we round down. When we round up, the number in the tens place increases by . The numbers to the right of the tens place become  and the numbers to the left of the tens place stay the same. When we round down, the number in the tens place stays the same. The numbers to the right of the tens place become  and the numbers to the left of the tens place stay the same.

In this case,  is less than  so our rounded number is 

Example Question #2 : Number Sense And Operations

What fraction of the circle is green? 

3

Possible Answers:

Correct answer:

Explanation:

The circle is split up into  equal parts.  of the parts are shaded green, which means  of the circle is green. 

Example Question #3 : Number Sense And Operations

Fill in the blank with the correct symbol. 

 __________ 

Possible Answers:

Correct answer:

Explanation:

The fraction models below show  and 

 is greater than  because more of the model is filled in.               

                

1 4 and 2 4

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