5th Grade Math Review

Front

How do you calculate change from a purchase?

Back

To calculate change, subtract the total cost of the purchase from the amount paid. For example, if you pay $20 for an item that costs $3.55, the change is $20 - $3.55 = $16.45.

Front

What is the sum of ¾ and ⅙?

Back

To add fractions, find a common denominator. The common denominator for 4 and 6 is 12. Convert the fractions: ¾ = 9/12 and ⅙ = 2/12. Then add: 9/12 + 2/12 = 11/12.

Front

How do you compare decimal numbers?

Back

To compare decimal numbers, align the decimal points and compare digit by digit from left to right. For example, 567.602 < 567.62 because 2 is less than 2, but the next digit (0) is less than (2).

Front

What is the best way to estimate the sum of 3.9 and 4.7?

Back

Round each number to the nearest whole number: 3.9 rounds to 4 and 4.7 rounds to 5. Then add: 4 + 5 = 9.

Front

How do you write the number 8.6 in word form?

Back

8.6 is written as 'eight and six tenths'.

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 ¾, 3 is the numerator and 4 is the denominator.

Front

What is the difference between a proper fraction and an improper fraction?

Back

A proper fraction has a numerator smaller than the denominator (e.g., ⅗), while an improper fraction has a numerator larger than or equal to the denominator (e.g., 5/3).

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, ¾ = 3 ÷ 4 = 0.75.

Front

What is the order of operations in math?

Back

The order of operations is PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is an estimate in math?

Back

An estimate is a rough calculation or approximation of a value, often used to make quick calculations easier.