Decimals & Long Division — Drills
Decimals & Long Division has 6 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 3 ideas from the course. Follow any of them for a definition, where it is taught, and what it leads to.
- Divisor — The polynomial you are dividing by.
- Remainder — What is left when the divisor no longer fits. Always lower degree than the divisor.
- Place value — What each digit is worth, depending on its column.
Adding
Unlimited questions of this kind are generated in the app. Two examples:
Problem 1
Work out 9.5 + 22.51.
Worked answer
32.01
Write 9.50 so both have two places
9.50 + 22.51 = 32.01
Problem 2
Work out 18.7 + 18.21.
Worked answer
36.91
Write 18.70 so both have two places
18.70 + 18.21 = 36.91
Subtracting
Unlimited questions of this kind are generated in the app. Two examples:
Problem 1
Work out 27.81 - 10.86.
Worked answer
16.95
27.81 - 10.86 = 16.95
Problem 2
Work out 27.95 - 15.37.
Worked answer
12.58
27.95 - 15.37 = 12.58
Multiplying
Unlimited questions of this kind are generated in the app. Two examples:
Problem 1
Work out 0.6 × 0.6.
Worked answer
0.36
6 × 6 = 36
Two decimal places: 0.36
Smaller than both, because each factor is under one
Problem 2
Work out 0.8 × 0.5.
Worked answer
0.4
8 × 5 = 40
Two decimal places: 0.4
Smaller than both, because each factor is under one
Dividing
Unlimited questions of this kind are generated in the app. Two examples:
Problem 1
Work out 13.4 ÷ 2.
Worked answer
6.7
13.4 ÷ 2 = 6.7
Problem 2
Work out 21.2 ÷ 4.
Worked answer
5.3
21.2 ÷ 4 = 5.3
Money
Unlimited questions of this kind are generated in the app. Two examples:
Problem 1
A bill of $62.60 is split 5 ways. How much each?
Worked answer
12.52
62.60 ÷ 5 = 12.52
Problem 2
A bill of $60.48 is split 6 ways. How much each?
Worked answer
10.08
60.48 ÷ 6 = 10.08
Converting units
Unlimited questions of this kind are generated in the app. Two examples:
Problem 1
Write 0.125 as a fraction in lowest terms.
Worked answer
1/8
0.125 = 1251000
which simplifies to 1/8
Problem 2
Write 0.75 as a fraction in lowest terms.
Worked answer
3/4
0.75 = 7501000
which simplifies to 3/4