4th Grade Math Review

Front

What is a factor?

Back

A factor is a number that divides another number without leaving a remainder. For example, the factors of 20 are 1, 2, 4, 5, 10, and 20.

Front

How do you find the remainder in a division problem?

Back

The remainder is what is left over after dividing one number by another. For example, in 10 ÷ 3, the quotient is 3 and the remainder is 1.

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest specified value, such as the nearest ten or hundred. For example, 76 rounded to the nearest ten is 80.

Front

What is the sum of two fractions with the same denominator?

Back

Front

What is the least common multiple (LCM)?

Back

The least common multiple is the smallest number that is a multiple of two or more numbers. For example, the LCM of 4 and 5 is 20.

Front

What is a mixed number?

Back

Front

How do you subtract fractions with different denominators?

Back

To subtract fractions with different denominators, first find a common denominator, convert the fractions, and then subtract the numerators.

Front

What is the process of dividing a whole number by a fraction?

Back

Front

What is an equivalent fraction?

Back

Front

What is the difference between area and perimeter?

Back

Area is the amount of space inside a shape, measured in square units, while perimeter is the distance around a shape, measured in linear units.