# ISEE Primary 3 Math : Algebraic Concepts

## 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?

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

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?

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 .

What is another way to show

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?

___________,