1 / 8

Negative numbers and number line review

Cougar Time. Negative numbers and number line review. Adding Negative Numbers. What are the two rules for adding integers? Same Signs = Add and keep the sign Different Signs = Find the absolute value, subtract and keep the sign of the larger absolute value. Subtracting Negative Numbers.

fiachra
Télécharger la présentation

Negative numbers and number line review

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. Cougar Time Negative numbers and number line review

  2. Adding Negative Numbers • What are the two rules for adding integers? • Same Signs = Add and keep the sign • Different Signs = Find the absolute value, subtract and keep the sign of the larger absolute value

  3. Subtracting Negative Numbers • What is the rule for subtracting integers? • Same Change Flip • Same – Keep the first number the same • Change – Change subtraction to addition • Flip – Flip the sign of the second number

  4. Practice • -12 + 6 • 13 + (-8) • (-16) + (-8) • -19 + 21 • -78 + -15 • 18 + -4 • -12 – (-15) • 34 – 78 • 23 – (-17) • 4 – 16 • -27 – 11 • -29 – (-8)

  5. Multiplication and Division • What are the rules multiplying and dividing negative number? • Same Signs = Positive • Different Signs = Negative

  6. Practice • 6 x (-8) • -5 x 20 • -8 x (-8) • 9 x (-11) • -14 x (-3) • 32 ÷ -8 • -120 ÷ -6 • -88 ÷ -11 • 54 ÷ -6 • -90 ÷ -15

  7. Number Lines • Where on the number line are negative numbers? • LEFT of zero! • Where on the number line are positive numbers? • RIGHT of zero! (-) Negative 0 (+) Positive

  8. Mixed Review • Draw a number line ranging from -25 to 25 • Write down the rules for adding and subtracting integers. • Write down the rules for multiplying and dividing integers.

More Related