Integers & Absolute Value — Drills
Integers & Absolute Value has 5 drill skills. Each one generates fresh questions every time, with a hint and full worked steps, so you can keep practising a single skill until it settles.
What these drills cover
These questions use 2 ideas from the course. Follow any of them for a definition, where it is taught, and what it leads to.
- Absolute value — |x| — distance from zero, always positive or zero.
- Number line — A line with numbers increasing to the right.
Comparing
Unlimited questions of this kind are generated in the app. Two examples:
Problem 1
Which is smaller, 9 or 2?
Worked answer
2
2 is further left, so it is smaller
Problem 2
Which is smaller, -10 or -1?
Worked answer
-10
-10 is further left, so it is smaller
Abs
Unlimited questions of this kind are generated in the app. Two examples:
Problem 1
Work out |-16| + |15|.
Worked answer
31
|-16| = 16 and |15| = 15
16 + 15 = 31
Problem 2
Work out |-11| - |12|.
Worked answer
-1
|-11| = 11 and |12| = 12
11 - 12 = -1
Opposite
Unlimited questions of this kind are generated in the app. Two examples:
Problem 1
Give the opposite of -9.
Worked answer
9
9
Problem 2
Give the opposite of 12.
Worked answer
-12
-12
Ordering
Unlimited questions of this kind are generated in the app. Two examples:
Problem 1
Put 1, 3, 8, -8 in order, smallest first, separated by commas.
Worked answer
-8,1,3,8
-8, 1, 3, 8
Problem 2
Put 5, 0, -1, 7 in order, smallest first, separated by commas.
Worked answer
-1,0,5,7
-1, 0, 5, 7
In context
Unlimited questions of this kind are generated in the app. Two examples:
Problem 1
A submarine is at -6 m and rises 24 m. What is it now?
Worked answer
18
-6 + 24 = 18
Problem 2
A submarine is at -28 m and dives 18 m. What is it now?
Worked answer
-46
-28 - 18 = -46