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Published byBernard Hudson
Modified over 7 years ago
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 Integers Using a Number Line You can use a number line to see what happens when you multiply integers.
What do you notice about the product of two integers with different signs?
Modeling Integer Multiplication Counters representing positive and negative numbers can help you understand how to find the product of two negative integers. + –
What do you notice about the sign of the product of two negative integers? What can you conclude about the sign of the product of two integers with the same sign?
Compare the rules for finding a product of a number and zero and finding the sum of a number and zero. a x 0 = 0 a + 0 = a
Find Each Product 1.-3(5) 2.(-10)(-2) 3.0(-22) 4.8(4)
Exponents, Polynomials, and Polynomial Functions.
Exponent Rules Repeated Multiplication Remember: so and.
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)
Adding Integers. Adding Integers with the Same Sign Add the absolute values. The sum will have the same sign as the addends. Example 1 Find –2 + (-3)
INTEGERS: adding, subtracting, multiplying, and dividing
CH B & E Multiplying & Dividing Integers. Try These… 4 x x (-7) -4 x 7 -4 x (-7)
Objective: Learn to multiply and divide integers.
Warm Up 8/25 Find the next two numbers in the pattern: 12, 6, 24, 12, 48, …. Explain your reasoning.
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.
ALGEBRA 1 Operations with Integers
ADDING INTEGERS Positive + Positive = Positive Positive + Positive = Positive ( +3) + (+2) = +5 ( +3) + (+2) = +5 When a number is positive, you do not.
Rules of Integers. Positive numbers are numbers that are above zero. Negative numbers are numbers below zero.
Multiplying and Dividing Integers
Multiplying Rational Numbers Essential Question: How do you multiply rational numbers? Unit 1-4.
When we add or subtract integers we can use a number line to help us see what is happening with the numbers.
Multiplying Rational Numbers
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