ISEE Primary 3 Math : Algebraic Concepts

Study concepts, example questions & explanations for ISEE Primary 3 Math

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Example Questions

Example Question #1 : Algebraic Concepts

The swing set is  inches tall and the tree is  inches tall. How much taller is the tree than the swing set? 

Possible Answers:

Correct answer:

Explanation:

This is a subtraction problem because we want to know how much taller the tree is compared to the swing set, or the difference in their height. 

Example Question #2 : Algebraic Concepts

When counting by s, what number comes after 

Possible Answers:

Correct answer:

Explanation:

When counting by s, we add  to our previous number. 

Example Question #3 : Algebraic Concepts

What is the equation that shows the sum of the squares represented by this rectangular array?

Screen shot 2015 07 20 at 2.11.33 pm

Possible Answers:

Correct answer:

Explanation:

When we count the number of squares in this picture we get . We have  rows with  squares in each row. Our math equation for this picture could be written as 

Example Question #4 : Algebraic Concepts

The rectangular array shows .

Screen shot 2015 07 20 at 2.59.43 pm

What is another way to show 

Possible Answers:

Correct answer:

Explanation:

According to the commutative property, numbers can be multiplied in any order. This means that  and  are equal. 

Example Question #5 : Algebraic Concepts

What is the missing number?

 ___________, 

Possible Answers:

Correct answer:

Explanation:

In this series we are counting by . When counting by  is between  and 

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