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Multiplying and Dividing IntegersMath 7
Multiplying Integers Multiply like normal (ignoring signs)Look at the signs: If the signs are the same (both + or both -), then the answer is positive If the signs are different (one of each), then the answer is negative
Examples of Multiplying Integers
More Multiplying Different ways to write multiplication: “dot”-5 ∙ 7 With parenthesis…one set or two 4(-5) = -8(6) = (-9)(3) = (-12)(-4) =
Dividing Integers Divide like normal (ignoring signs)Look at the signs. Signs same, answer positive; signs different, answer negative
Examples of Dividing Integers
HOMEWORK: Worksheet 9-6 evens Worksheet 9-7 evensANY QUESTIONS??? HOMEWORK: Worksheet 9-6 evens Worksheet 9-7 evens
Adding and Subtracting Integers. RULE #1: Same Signs!! When you’re adding two numbers with the same sign, just ignore the signs! Add them like normal!
Multiplying and Dividing Integers
Integers: Multiplication & Division
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)
INTEGERS: adding, subtracting, multiplying, and dividing
Objective: Learn to multiply and divide integers.
Multiplying Integers. Warm Up 1.9 x 3 =5. 6 x 9 = 2.7 x 10 =6. 10 x 23 = 3.9 x 8 =7. 9 x 9 = 4.15 x 10 =8. 10 x 20 =
Multiplying and Dividing Integers 1.9. Rules: Multiply or divide SAME sign the product or quotient is POSITIVE Examples: 1.) -2∙ (-22)= 2.) -45÷ (-9)=
2.1 Day 3: Multiplying more than two integers
Integers. Adding integers Both positive…add as usual Both negative…add as usual and answer is negative Positive and negative…subtract…take the sign of.
Integer Rules. Adding with the same sign Rules Rules Add like normal Add like normal Keep the sign Keep the sign Examples Examples = -22 (all.
Rules of Integers. Positive numbers are numbers that are above zero. Negative numbers are numbers below zero.
1.3B MULTIPLYING AND DIVIDING INTEGERS I can multiply and divide integers to solve problems involving integers.
Chapter 4 Negative Numbers. Learning Objectives Order numbers Subtracting a larger number from a smaller number Adding negative numbers Subtracting negative.
Multiplying Rational Numbers Essential Question: How do you multiply rational numbers? Unit 1-4.
Addition, Subtraction, Multiplication, and Division of Integers
Bell Ringer = – 5 = = ÷ -2 = =6. -7 – (-7) = After you have completed the bell ringer, take out your homework!
1.2 Multiplying and Dividing Integers
Solving Inequalities by Multiplying & Dividing. 8 > 5 What happens if I multiply by sides by 3? What happens if I multiplied by sides by -3?
Remedial Math Bell Work 8/11/14
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