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