Math Midterm Review

Front

What is a composite number?

Back

A composite number is a positive integer that has at least one positive divisor other than one or itself. In other words, it can be divided evenly by numbers other than 1 and itself.

Tags

CCSS.4.OA.B.4

Front

How do you calculate the total amount spent over a period of time?

Back

To calculate the total amount spent over a period of time, multiply the monthly payment by the number of months. For example, if the monthly payment is $327 and the period is 24 months, the total is $327 x 24 = $7,848.

Tags

CCSS.7.EE.B.3

Front

If a team played 24 games and lost 1/3 of them, how do you find the number of games lost?

Back

To find the number of games lost, multiply the total games by the fraction lost. For example, 24 games x 1/3 = 8 games lost.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

What is the process to divide a fraction by a whole number?

Back

To divide a fraction by a whole number, multiply the denominator of the fraction by the whole number. For example, to divide 1/8 by 4, calculate 1/(8 x 4) = 1/32.

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.

Tags

CCSS.7.NS.A.1C

Front

What is the definition of a fraction?

Back

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

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you convert an improper fraction to a mixed number?

Back

To convert an improper fraction to a mixed number, divide the numerator by the denominator. The quotient is the whole number, and the remainder is the new numerator.

Front

What is the least common multiple (LCM)?

Back

The least common multiple (LCM) of two or more numbers is the smallest number that is a multiple of each of the numbers.

Front

How do you find the area of a rectangle?

Back

To find the area of a rectangle, multiply the length by the width. Area = length x width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the definition of a prime number?

Back

A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers. It has exactly two distinct positive divisors: 1 and itself.

Tags

CCSS.4.OA.B.4