5.5 Decimal Word Problems

Front

What is a decimal?

Back

A decimal is a way of representing fractions in a base 10 system, using a dot (.) to separate the whole number from the fractional part.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you add decimals?

Back

To add decimals, align the numbers by the decimal point and add as you would whole numbers, placing the decimal point in the sum directly below the other decimal points.

Tags

CCSS.5.NBT.B.7

Front

How do you subtract decimals?

Back

To subtract decimals, align the numbers by the decimal point and subtract as you would whole numbers, placing the decimal point in the difference directly below the other decimal points.

Tags

CCSS.5.NBT.B.7

Front

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

Back

To divide a decimal by a whole number, divide as you would with whole numbers, and place the decimal point in the quotient directly above the decimal point in the dividend.

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

Front

What is the process to multiply decimals?

Back

To multiply decimals, multiply the numbers as if they were whole numbers, then count the total number of decimal places in both factors and place the decimal point in the product accordingly.

Tags

CCSS.6.NS.B.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.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Front

What is the importance of rounding decimals?

Back

Rounding decimals is important for simplifying numbers to make them easier to work with, especially in estimation and when precision is not critical.

Tags

CCSS.5.NBT.A.4

Front

How do you find the average of a set of decimal numbers?

Back

To find the average, add all the decimal numbers together and then divide by the total number of values.

Front

What is a word problem in mathematics?

Back

A word problem is a mathematical problem that is presented in the form of a story or real-life scenario, requiring interpretation and problem-solving skills.

Tags

CCSS.1.OA.A.1

Front

How do you approach solving a decimal word problem?

Back

To solve a decimal word problem, read the problem carefully, identify the relevant information, set up an equation, and perform the necessary calculations.

Tags

CCSS.6.NS.B.3