Equivalent Expressions
Which expression below is NOT equal to the number 0?
A. -5 + 5
B. -3 - (-3)
C. 12-12
D. 14 - (-14)
What is D. -14 - (-14)?
-7 - (-19)
What is 12?
(-9) x (-11)
What is 99?
On a mountain, The temperature decreased by 15 degrees every 5,000 feet.
What integer represents the change in temperature at 20,000?
DOUBLE POINTS!!!!
What is -60?
A scale factor of 1 means?
A. Enlargement
B. Reduction
C. No change
What is C. No change?
Which expression represents a negative integer?
A. 1- (-7)
B. -18 ÷ -2
C. (-4)^2
D. (-12)(4)
What is D. (-12)(4)?
-14 + (-27)
What is -41?
Give an example of a subtraction problem that results in a positive answer.
Answers will vary
The hottest temperature on the moon was 117 degrees C. The coldest temperature on the moon was -163 degrees C.
What was the change between the highest lunar temperature and the lowest?
DOUBLE POINTS!!!!
What is 280 degrees?
A scale factor of 1/2 means?
A. Enlargement
B. Reduction
C. No change
What is B. reduction?
When you subtract an integer from zero, you get the same integer?
What is false?
23-32
What is -9?
Give an example of a division problem that uses negatives and results in a positive answer.
Answers will vary.
The temperature is -3 degrees F at 6am.
During the next 4 hours, the temperature increases 21 degrees F. What is the temperature at 10am?
What is 18 degrees F?
A scale factor of 1:3 means?
A. Enlargement
B. Reduction
C. No change
What is A. Enlargement?
True or false:
The sum of opposite numbers is always zero.
What is true?
8 - 2 (7-4)
What is 2?
Give an example of a multiplication problem that results in a negative number.
Answers will vary.
A football team gains 6 yards on the first play, loses 3 yards on the second play, loses 8 yards on the third play, and gians 12 yards on the fourth play.
What is the team's overall gain or loss for all four plays?
DOUBLE POINTS!!!
What is positive 7?
Find the scale factor of a side that originally measured 25 feet and now measures 6.25 feet.
What is a scale factor of 1/4 or 4:1?
True or false:
-1 is the greatest negative integer.
What is true?
-8 - (-10) -4
What is -2?
14 - 2 + 6 ÷ 2 x 2^2
What is 14?
When completing word problems, state a strategy you can use?
Answers will vary.
Define scale factor.
What is a number that enlarges or shrinks in some quantity?