Algebraic expressions

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mathematics·@apteacher·7 years ago

0.000 HBD

Algebraic expressions

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<h1><img src="https://imgoat.com/uploads/c627ab1ccb/98797.png" width="368" height="261"/></h1>
<p><a href="https://i.pinimg.com/originals/15/cc/68/15cc6864ea31378522ecd9f826ad63ab.jpg">Source</a></p>
<h1>Using mathematical language:</h1>
<p>Maths is a language. &nbsp;To be successful in Maths, you need to learn new words and understand what the word mean. &nbsp;In algebraic expressions we use mathematical language. &nbsp;The four basic operations are addition, subtraction, multiplication and division. &nbsp;Each of these operations has a symbol.</p>
<p><br></p>
<p><img src="https://imgoat.com/uploads/c627ab1ccb/98786.png" width="453" height="141"/></p>
<h3>Learners can start by writing word problems in mathematical language: &nbsp;&nbsp;</h3>
<ul>
  <li>1. The sum of 12 and 45 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;= &nbsp;&nbsp;&nbsp;&nbsp;12 + 45 &nbsp;&nbsp;</li>
  <li>2. 14 increased by 5 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;= &nbsp;&nbsp;&nbsp;&nbsp;14 + 5 &nbsp;&nbsp;</li>
  <li>3. The difference between 62 and 48 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;= &nbsp;&nbsp;&nbsp;&nbsp;62 – 48 &nbsp;&nbsp;</li>
  <li>4. 83 decreased by 22 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;= &nbsp;&nbsp;&nbsp;&nbsp;83 – 22 &nbsp;&nbsp;</li>
  <li>5. The product of 29 and 13 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;= &nbsp;&nbsp;&nbsp;&nbsp;29 x 13 &nbsp;&nbsp;</li>
  <li>6. One third of 9 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;= &nbsp;&nbsp;&nbsp;&nbsp;1/3 of 9 &nbsp;</li>
  <li>&nbsp;7. The quotient of 84 and 21 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;= &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;84 / 21 &nbsp;</li>
</ul>
<p><br></p>
<h3>Here are some other symbols and operations that you can use in Mathematics &nbsp;:</h3>
<p><img src="https://imgoat.com/uploads/c627ab1ccb/98787.png" width="447" height="247"/></p>
<p><br></p>
<h3>Learners can do the following activity:</h3>
<h2>Write the following in mathematical language:</h2>
<p>1. &nbsp;&nbsp;&nbsp;36 is less than 41 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;= &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;36 &lt; 41</p>
<p>2. &nbsp;&nbsp;The product of 16 and 5 &nbsp;&nbsp;&nbsp;&nbsp;= &nbsp;16 x 5</p>
<p>3. &nbsp;&nbsp;66 is increased by 92 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;= &nbsp;&nbsp;66 + 92</p>
<p>4. &nbsp;&nbsp;The quotient of 93 and 32 &nbsp;= &nbsp;&nbsp;93 / 32</p>
<p>5. &nbsp;&nbsp;The difference between 85 and 15 &nbsp;&nbsp;&nbsp;= &nbsp;85 - 15</p>
<p>6. &nbsp;&nbsp;56 is less than the square of 10 &nbsp;&nbsp;&nbsp;= <img src="https://imgoat.com/uploads/c627ab1ccb/98790.png" width="81" height="38"/></p>
<p>7. &nbsp;The square root of 4 is greater than the cube of 1 &nbsp;= &nbsp;<img src="https://imgoat.com/uploads/c627ab1ccb/98791.png" width="73" height="41"/></p>
<p>8. &nbsp;&nbsp;Half of 100 is decreased by 28 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;= &nbsp;&nbsp;&nbsp;&nbsp;<img src="https://imgoat.com/uploads/c627ab1ccb/98792.png" width="125" height="32"/></p>
<p>9. &nbsp;The cube root of 64 is equal to the square of 2 &nbsp;&nbsp;= <img src="https://imgoat.com/uploads/c627ab1ccb/98793.png" width="97" height="39"/></p>
<p>10. &nbsp;&nbsp;The square of 8 is not equal to 16 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;= &nbsp;&nbsp;&nbsp;<img src="https://imgoat.com/uploads/c627ab1ccb/98794.png" width="70" height="32"/></p>
<p><br></p>
<h3>In the above examples, learners only have to write it in mathematical language, they don't need to give any answers. &nbsp;</h3>
<p><br></p>
<p><img src="https://imgoat.com/uploads/c627ab1ccb/98799.gif" width="589" height="100"/></p>
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