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Multiplying Rational Numbers Essential Question: How do you multiply rational numbers? Unit 1-4
Multiplying rational numbers Vocabulary: Product- The answer to a multiplication problem.
Multiplying rational numbers Find the product of -5 and -3 Write (-5)(-3) as -5(-3) Which means the Opposite of 5(-3) The product of 5(-3) Can be modeled as 5 groups of -3
Multiplying rational numbers The product of two negative numbers is positive. The product of two positive numbers is positive. When the signs are the same the answer is positive.
Multiplying rational numbers The product of two rational numbers with different signs the is negative. When the signs are different the answer is negative.
Multiplying rational numbers Products of rational numbers
Integers Free powerpoints at
Jeopardy Review Multiple Fracture! What’s My Sign? Sublime Subtraction It All Adds up! Divide.
2.1 Integers & Absolute Value 2.2 Adding Integers.
Adding rational numbers Essential question: How can you add rational numbers? Unit 1-2.
Subtracting Rational Numbers
Integers: Multiplication & Division
Dividing Rational Expressions Use the following steps to divide rational expressions. 1.Take the reciprocal of the rational expression following the division.
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 =
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.
Multiplying and Dividing Integers
Positive and Negative Number Theory.
Chapter 4 Negative Numbers. Learning Objectives Order numbers Subtracting a larger number from a smaller number Adding negative numbers Subtracting negative.
3 x 5 means… 3 “lots of” 5 3 x 5 means… 3 “lots of” = 15.
Multiplying Fractions Step 1: Look for common terms that can cancel Step 2: Look at cancelling signs (if possible) Step 3: Multiply the numerator.
Inverses. Additive Inverse Inverses are related to the properties of real numbers. The additive inverse is the same number with the opposite sign – it.
Again, solve inequalities the same way you solve equations…use the OPPOSITE operation. Remember that when you are MULTIPLYING or DIVIDING by a NEGATIVE.
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