Absolute Value
Math ⇒ Number and Operations
Absolute Value starts at 6 and continues till grade 10.
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See sample questions for grade 10
|x| = 12. What are the possible values of x?
A temperature dropped from 5°C to -7°C. What is the absolute value of the change in temperature?
Calculate: | -4 | × | -6 |
Calculate: | -8 | + | 3 |
Calculate: |7 - 13|
If |x - 2| = 0, what is the value of x?
If |x| < 5, what is the range of possible values for x?
A temperature dropped from 5°C to -7°C. What is the absolute value of the change in temperature?
If |a| = |b|, which of the following must be true?
(1) a = b
(2) a = -b
(3) a = b or a = -b
(4) a = 0
Which of the following is equal to |x|?
(1) x
(2) -x
(3) x if x ≥ 0, -x if x < 0
(4) x + x
Which of the following is NOT a property of absolute value?
(1) |ab| = |a||b|
(2) |a/b| = |a|/|b| (b ≠ 0)
(3) |a + b| = |a| + |b|
(4) |a| ≥ 0
Which of the following is the correct definition of absolute value?
(1) The distance of a number from zero on the number line
(2) The square of a number
(3) The reciprocal of a number
(4) The negative of a number
Fill in the blank: | -25 | = _______
Fill in the blank: | -3.5 | = _______
Fill in the blank: |a| × |b| = _______
Fill in the blank: |x| = x if x _______ 0.
True or False: |a - b| = |b - a| for all real numbers a and b.
True or False: |x| = x for all real numbers x.
True or False: The absolute value function is an example of a piecewise function.
True or False: The absolute value of a negative number is always positive.
