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Multiplying Integers
Multiplying Rational Numbers
Multiplying Integers
Multiplying Rational Numbers
Real World
Problem Solving
100
5 x (-6)
What is -30
100
Is the product positive or negative? 5 x 10
What is positive.
100
-1(-13)
What is 13
100
Is the product positive or negative? (-0.32)(-0.33)(0.98)
What is positive
100
A beach towel loses 4 mg with each wash-and-dry cycle. The product 8(-4) represents the change in mass after 8 wash-and-dry cycles. What is the change in mass?
What is -32mg.
200
(-5)(-7)(2)
What is 70.
200
Find the product. -1/3 x 1/4
What is -1/12
200
(-9)(-3)(-3)
What is -81
200
Multiply. (0.21)(0.17)(-0.03)
What is -0.001071
200
Andrew withdraws $17 from his bank account once each day for 5 days. Find the integer that would represent the change in the amount in the account if Andrew withdraws $17 from his account once each day for 5 days.
What is -$85
300
A football team loses 6 yards on each of 2 consecutive plays. Find the total change in yards from where the teams started.
What is -12
300
Multiply. (-0.4)(-0.48)
What is 0.192
300
(-17)(3)
What is-51
300
Multiply. (-6.215)(15.22)
What is -94.59230.
300
Some friends played a board game. During the game, one unlucky player had to move back 5 spaces 8 turns in a row. Find a number to represent that players movement for those 8 turns.
What is -40.
400
(-9)(-2)(-2)
What is -36
400
Multiply. -3 1/2 x -1 3/4
What is 6 1/8
400
Before multiplying, determine if the product (-6)(-4)(4) is positive of negative. Then multiply to find the product.
What is positive & 96
400
Multiply. -(-2/3) x (-1/9)
What is -2/27
400
Suppose there is a 1.8F drop in temperature for every thousand feet that an airplane climbs into the sky. If the temperature on the ground is 58.6F. What will be the temperature when the plane reaches an altitude of 10,000 feet.
What is 40.6F.
500
To use the fact that (-1)(-1)=1 to find -3 x -6, what do you do first? A. Write each factor as a product of 1 & a positive number B. Write each factor as a product of -1 & a negative number C. Write each factor as a product of -1 & a positive number D. Write each factor as a product of 1 & a negative number Find -3 x -6.
What is C. Write each factor as product of -1 & a positive number and 18
500
Multiply. (-8)(1/4)(-2)
What is 4.
500
Find the product of -14(5). Which of these has the same values? 35(-2) 7(-10) 35(-10) 5(-14) 10(-35)
What is -70 and 35(-2), 7(10), 5(-14)
500
What is the sign of a2b when a=8 and b=-7?
What is negative
500
A farmer has 140 bushels of apples to sell at his roadside stand. He sells an average of 15 7/8 bushels each day. Represent the total change in the number of bushels he has for sale after 5 days.
What is -79 3/8