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Chapter 1: Problem 77

Write each of the following expressions in words. Use the word sum in each case. $$8+1$$

Short Answer

Expert verified
The sum of eight and one.

Step by step solution

01

Identify the Numbers

First, look at the given expression. It consists of two numbers: 8 and 1.
02

Recognize the Operation

The symbol '+' is used in the expression, which indicates that we are using the operation of addition.
03

Translate the Expression

Convert the mathematical symbols and numbers into words. The number 8 remains 'eight' and the number 1 becomes 'one'. The '+' sign translates to 'plus'. Thus, the expression is read as 'the sum of eight and one'.

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Key Concepts

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

Mathematical Expressions
Mathematical expressions are combinations of numbers, symbols, and operators that represent a specific value or calculation. In our example, the expression is simple: \(8+1\). Each element of the expression contributes to its overall meaning.
- The numbers, such as 8 and 1, are known as operands in the expression.
- The '+' sign is an arithmetic operator indicating addition.
Expressions can also involve complex combinations with parentheses and multiple steps. However, simple expressions like this one are excellent for beginners to practice identifying and translating mathematical symbols into words.
Word Problems
Word problems involve reading or listening to a scenario and then converting it into a mathematical problem. The exercise of translating the expression \(8+1\) into words is similar to a word problem. Instead of starting with a story, we begin with a mathematical statement:
- Recognizing familiar terms and operations is key in word problems.
- The phrase 'sum of eight and one' is the verbal translation of the mathematical expression.
- Solving word problems often involves identifying operations from words like 'sum,' which signals addition.
Practicing these simple tasks makes understanding real-life math scenarios easier.
Arithmetic Operations
Arithmetic operations are basic calculations that include addition, subtraction, multiplication, and division. Addition, indicated by the '+' sign in our example, is one of these fundamental operations.
Understanding each operation is crucial because they form the base for more advanced math:
  • Addition is combining numbers to find a total or sum.
  • Subtraction involves taking away parts from a whole.
  • Multiplication is repeated addition.
  • Division is distributing a number into equal parts.
By consistently practicing each operation, you build a strong mathematical foundation. Here, identifying that \(8+1\) refers to adding eight and one helps solidify the understanding of arithmetic fundamental concepts.

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Most popular questions from this chapter

Mentally give a one-digit estimate for each of the following quotients. That is, for each quotient, mentally estimate the answer using one of the digits \(1,2,3,4,5,6,7,8,\) or 9 $$662 \div 289$$

Mentally give a one-digit estimate for each of the following quotients. That is, for each quotient, mentally estimate the answer using one of the digits \(1,2,3,4,5,6,7,8,\) or 9 $$728 \div 355$$

Mentally give a one-digit estimate for each of the following quotients. That is, for each quotient, mentally estimate the answer using one of the digits \(1,2,3,4,5,6,7,8,\) or 9 $$921 \div 442$$

Find the median and the range for each set of numbers. [Examples \(18-20]\) $$10,20,50,90,100$$

Add each of the following. (All problems involve carrying in at least one column. $$\begin{array}{r} 49 \\ 16 \\ \hline \end{array}$$
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