2023 Math Unit 3 Review (Fractions and Probability)

Front

What is a common factor?

Back

A common factor is a number that divides two or more numbers without leaving a remainder. For example, the common factors of 12 and 24 are 1, 2, 3, 4, 6, and 12.

Front

How do you order fractions from least to greatest?

Back

To order fractions from least to greatest, convert them to have a common denominator or compare their decimal values. For example, to order 1/4, 1/6, and 1/2, you can convert them to decimals: 0.25, 0.1667, and 0.5. Thus, the order is 1/6, 1/4, 1/2.

Tags

CCSS.4.NF.A.2

Front

What does a probability of 1/8 mean?

Back

A probability of 1/8 means there is one chance of winning out of eight possible outcomes. This indicates that the event is unlikely to happen.

Tags

CCSS.7.SP.C.5

Front

How do you find the difference between two fractions?

Back

To find the difference between two fractions, you need a common denominator. For example, to find how much more 3/4 is than 1/3, convert them to a common denominator (12): 3/4 = 9/12 and 1/3 = 4/12. The difference is 9/12 - 4/12 = 5/12.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What does 'likely' mean in probability?

Back

'Likely' means that an event has a good chance of happening, but it is not guaranteed. For example, if it is likely to snow in January in Virginia, it means there is a reasonable chance it will snow.

Tags

CCSS.7.SP.C.5

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). For example, in the fraction 1/2, 1 is the numerator and 2 is the denominator.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is the least common multiple (LCM)?

Back

The least common multiple is the smallest multiple that two or more numbers share. For example, the LCM of 4 and 6 is 12.

Front

What is the greatest common factor (GCF)?

Back

The greatest common factor is the largest number that divides two or more numbers without leaving a remainder. For example, the GCF of 8 and 12 is 4.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator. For example, 1/4 = 0.25.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Front

What does 'impossible' mean in probability?

Back

'Impossible' means that an event cannot happen at all. For example, rolling a 7 on a standard 6-sided die is impossible.

Tags

CCSS.7.SP.C.5