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Chapter 1: Problem 14

Add. $$\begin{array}{r} 10 \\ 8 \\ +30 \\ \hline \end{array}$$

Short Answer

Expert verified
48

Step by step solution

01

Identify the Numbers

The numbers to be added are 10, 8, and 30.
02

Add the First Two Numbers

Start by adding the first two numbers: 10 + 8 = 18
03

Add the Result to the Third Number

Next, add the result from the previous step to the third number: 18 + 30 = 48

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Basic Arithmetic Operations
Basic arithmetic operations form the foundation of mathematics. The main operations include addition, subtraction, multiplication, and division. Here, we'll focus on addition, the process of calculating the total of two or more numbers.

When adding, it's essential to line up the numbers by their place values (units, tens, hundreds, etc.). This technique helps avoid mistakes. Let's look closely at the example provided:

  • The given numbers are 10, 8, and 30.
  • The operation we need to perform is addition.
  • We start by adding the first pair of numbers and then sum the result with the last number.
Understanding and practicing these fundamental operations can significantly improve your math skills.
Number Identification
Number identification is the ability to recognize and understand different numbers. This skill is crucial in math because it ensures you are working with the correct values.

In our example, we identified three numbers to be added: 10, 8, and 30. Here are some tips for proper number identification:
  • Read aloud: Saying the numbers aloud helps reinforce their recognition.
  • Write down: Writing each number ensures clarity and reduces errors.
  • Check the digits: Ensure digits are in the correct places, especially in larger numbers.
Once you've accurately identified your numbers, you can proceed confidently with the intended arithmetic operation.
Step-by-Step Problem Solving
Step-by-step problem solving is a logical approach to tackling math problems. Breaking down problems into smaller, manageable steps can make complex tasks simpler and easier to understand.

For the given problem, the step-by-step solution was as follows:
  • Step 1: Identify the Numbers
    Recognize the numbers you need to add: 10, 8, 30.
  • Step 2: Add the First Two Numbers
    Calculate 10 + 8 to get 18.
  • Step 3: Add the Result to the Third Number
    Finally, add 18 + 30 to get the total, 48.
Breaking down the problem into these clear steps helps in understanding the process and arriving at the correct solution without confusion. Always remember, each step is crucial to getting the final correct answer.

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