Unit 3 Review

Front

What is a fraction?

Back

A fraction represents a part of a whole. It is written as two numbers separated by a slash, like 1/2, where the top number (numerator) shows how many parts we have, and the bottom number (denominator) shows how many equal parts the whole is divided into.

Front

What does it mean to add numbers?

Back

Adding numbers means combining two or more quantities to find the total. For example, if you have 2 apples and you get 3 more, you have 2 + 3 = 5 apples.

Front

What is a prism?

Back

A prism is a three-dimensional shape that has two identical ends and flat sides. The sides are parallelograms, and the ends can be any shape, like triangles or rectangles.

Front

How do you find the difference between two numbers?

Back

To find the difference, you subtract the smaller number from the larger number. For example, to find the difference between 10 and 4, you calculate 10 - 4 = 6.

Front

What is a model in math?

Back

A model in math is a representation of a problem or situation that helps us understand and solve it. It can be a drawing, a diagram, or an equation.

Front

What is the total?

Back

The total is the sum of all parts or quantities combined. For example, if you have 5 candies and your friend gives you 3 more, the total number of candies is 5 + 3 = 8.

Front

What does it mean to separate items into sets?

Back

Separating items into sets means grouping them based on shared characteristics or properties. For example, you can separate fruits into sets of apples and oranges.

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another. It helps us find out how much is left after some is taken away.

Front

What is a common characteristic?

Back

A common characteristic is a feature or quality that is shared by all members of a group. For example, all squares have four equal sides.

Front

How do you represent a problem with an equation?

Back

You represent a problem with an equation by using numbers and symbols to show the relationship between different quantities. For example, if you have 5 apples and you eat 2, you can write the equation as 5 - 2 = 3.