Math EOG NC 4th Grade

Front

What is division?

Back

Division is the process of splitting a number into equal parts. It is the opposite of multiplication.

Front

How do you find the number of groups when dividing a total by group size?

Back

To find the number of groups, divide the total number of items by the number of items in each group.

Front

What is an acute angle?

Back

An acute angle is an angle that measures less than 90 degrees.

Front

What is an obtuse angle?

Back

An obtuse angle is an angle that measures more than 90 degrees but less than 180 degrees.

Front

What is a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.

Front

How do you calculate the total number of people on a bus if you know the number of women and the ratio of women to men?

Back

If there are twice as many women as men, and you know the number of women, divide the number of women by 2 to find the number of men, then add both numbers together.

Front

How do you add mixed numbers?

Back

To add mixed numbers, first add the whole numbers together, then add the fractions. If the fraction sum is improper, convert it to a mixed number.

Front

What is the formula to find the total number of desks in a school?

Back

Total desks = Number of classrooms × Desks per classroom.

Front

What is multiplication?

Back

Multiplication is the process of adding a number to itself a certain number of times.

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).