Multiply and divide integers

Slides:



Advertisements
Similar presentations
1.4-5: Multiplying Integers: Basic Rules. Ways to Express multiplication Remember: All of these mean the same thing: Five times four 5 × 4 5 · 4 5(4)
Advertisements

INTEGERS: adding, subtracting, multiplying, and dividing
Objective: Learn to multiply and divide integers.
A dding two negative integers: add the absolute values the answer is negative Adding a negative and a positive number: subtract the absolute values the.
11-7 Multiplying Integers Warm Up Find each product ,600 14,000.
Chapter 2 Section 5 Multiplying Integers. Multiplying Two Integers with Different Signs Words: The product of two integers with different signs. Numbers:
Integers All whole numbers and their opposites including the number 0.
Divide. Evaluate power – 3 = – 3 EXAMPLE – 3 = 3 2 – – 3 = 6 – 3 Multiply. Evaluate expressions Multiply and divide from.
Notes Over 2.8 Rules for Dividing Negative Numbers. ( Same as Multiplying ) If there is an even number of negative numbers, then the answer is Positive.
Adding, Subtracting, Multiplying, and Diving Integers!!!
Sections 2-6 and 2-8 (We combined two because we are that cool!) There will be a quiz on both of these Wednesday!
Transparency 6 Click the mouse button or press the Space Bar to display the answers.
Integer Review If you are combining two numbers with: SAME SIGNS YOU ADDTAKE THE SIGN OF THE LARGER NUMBER DIFFERENT SIGNS YOU SUBTRACT TAKE THE SIGN.
Warm-up Answer the following: – Addition of integers 1) 3 + (-8) = 2) – = 3) – 5 + (-4) = 4) 5 + (-3) 5) – – Subtraction of integers 6) 7.
Adding Integers KMS 7 TH GRADE. Adding Integers Rules  To add integers with the same sign: you add the absolute values and keep the sign.  Example A.
Interesting Integers – Part Dos
Multiplying and Dividing Integers
Subtracting Integers #41.
Add and subtract integers
Rules for Adding & Subtracting Integers
Integers Rules of Operation.
Adding, Subtracting, Multiplying, and Dividing Integers
Integer Rules Memorize the Rules.
Integer Operations! A Slide Show by Mrs. Farrell.
Multiplying and Dividing Integers
Multiplying Integers 2*2=.
Multiply or divide as usual.
ADDING, SUBTRACTING and MULTIPLYING INTEGERS -
Click the mouse button or press the Space Bar to display the answers.
Unit 1 Rational Numbers Integers.
Multiplying and Dividing Signed Integers
Multiplying and Dividing Rational Numbers
Objective: To Divide Integers
Multiplying and dividing integers
Do Now- What is ?.
Lesson 1.1 How do you evaluate and write variable expressions?
Multiplying Integers.
Adding, Subtracting, Multiplying, and Dividing Integers
Operations with Integers
Multiplying and Dividing Integers Unit 1 Lesson 11
Multiplying and Dividing Integers
Multiplying Rational Numbers 2-3
Section 1-6: Multiplying Integers
Multiply & Divide Integers
The Integer Song.
Title of Notes: Multiplying and Dividing Integers pg. 9 RS
Multiplying and Dividing Integers
1-8 Multiplying and Dividing Integers
Multiplying and dividing Integers
Objective - To multiply integers.
Integer Review.
Multiplying Integers SAME SIGNS??? Answer will be POSITIVE. ex)
Multiplying and Dividing Integers
Subtracting Integers Sec 2.3 pg
Inequalities and their Graphs
Operations with Integers
EXPONENT RULES.
Do Now Evaluate each expression · · · · ÷ ÷
Learn to solve equations with integers.
Algebra Concepts Section 4.2 Exponents.
Multiplying and Dividing Signed Integers
Multiplying integers 3(3) = (3) = (3) = (3) = 0 -3
DIRECTED NUMBERS.
Multiplying and Dividing Signed Integers
Operations with Integers
Dividing negative fractions
Multiplication and Division of Integers
Multiplying more than two integers
Divide two Integers.
Because division is the inverse of multiplication, the rules for dividing integers are the same as the rules for multiplying integers. Dividing Integers.
Presentation transcript:

Multiply and divide integers Objective Multiply and divide integers

Rules for multiplying and dividing integers Same Sign 2. Different Signs Positive Answer Negative Answer

Multiply numbers without signs 5  4 Evaluate the expression 5 (-4) Write the problem 5 (-4) Draw arrows to determine sign of answer different Multiply numbers without signs 5  4 - 20 Different signs, negative answer

Multiply numbers without signs 6  8 Evaluate the expression -6 (-8) Write the problem -6 (-8) Draw arrows to determine sign of answer Same Multiply numbers without signs 6  8 48 Same sign, positive answer

(-7)2 (-7)(-7) 7  7 49 Evaluate the expression (-7)2 Write the problem (-7)2 Multiply base times itself Draw arrows to determine sign of answer (-7)(-7) same Multiply numbers without signs 7  7 49 Same sign, positive answer

Divide numbers without signs - 17 Evaluate the expression 51  (-3) Write the problem 51  (-3) Draw arrows to determine sign of answer opposite 51  3 Divide numbers without signs - 17 Opposite signs, negative answer

81  9 - 9 -81 Evaluate the expression 9 -81 Write the problem 9 Draw arrows to determine sign of answer opposite 81  9 Divide numbers without the signs - 9 Opposite signs, negative answer

Divide numbers without signs 6 Evaluate the expression -12  -2 Write the problem -12  -2 Draw arrows to determine sign of answer same 12  2 Divide numbers without signs 6 Same signs, positive answer