1 / 7

Subtracting Rational Numbers

Subtracting Rational Numbers. Essential Question: How do you subtract rational numbers? Unit 1-3. Subtracting Rational Numbers. Vocabulary Difference- the answer to a subtraction problem. Subtracting. To subtract a positive number move left on the number line.

wilmet
Download Presentation

Subtracting Rational Numbers

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Subtracting Rational Numbers Essential Question: How do you subtract rational numbers? Unit 1-3

  2. Subtracting Rational Numbers Vocabulary Difference- the answer to a subtraction problem

  3. Subtracting • To subtract a positive number move left on the number line. • To subtract a negative number move right on the number line. • Absolute numbers can never be negative.

  4. Subtracting • Subtraction is the opposite of adding, or adding the opposite, so change subtraction to adding the opposite

  5. Rule to remember • When you are subtracting: keep the first number, change the subtraction sign to addition, change the sign of the second number. K C C KEEP CHANGE CHANGE FOLLOW RULES FOR ADDITION OF RATIONAL NUMBERS

  6. Subtracting • To subtract a number add its opposite. • p - q = p + (-q) • 3 – 4 = 3 + (-4) • Remember when adding two rational numbers with different signs find the difference of there absolute value. Then use the sign of the rational number with the greater value.

  7. Subtracting • How is subtracting rational numbers different from adding rational numbers?

More Related