Online Test — Decimal Operations
10 Questions • 30 min • Chapter MCQ
30:00
Question 1 of 10
hard
12.5 ÷ 100 = ?
1.25
0.125
125
0.0125
Explanation: Two places left → 0.125.
Question 2 of 10
hard
2.5 × 3 = ?
6.5
7.5
7.0
5.5
Explanation: 2.5 × 3 = 7.5.
Question 3 of 10
easy
0.5 + 0.5 = ?
0.10
1.0
0.55
0.1
Explanation: 5 tenths + 5 tenths = 10 tenths = 1.0.
Question 4 of 10
medium
0.3 × 1000 = ?
3
30
300
3000
Explanation: Three places right → 300.
Question 5 of 10
medium
5 − 1.4 = ?
3.6
4.6
3.4
4.4
Explanation: 5.0 − 1.4 = 3.6.
Question 6 of 10
medium
12 ÷ 10 = ?
1.2
120
0.12
1.02
Explanation: One place left → 1.2.
Question 7 of 10
easy
1.2 + 0.3 = ?
1.5
1.05
4.2
1.23
Explanation: 1.2 + 0.3 = 1.5.
Question 8 of 10
medium
0.6 × 3 = ?
1.8
0.18
18
0.9
Explanation: 6 × 3 = 18, one decimal place → 1.8.
Question 9 of 10
easy
0.4 × 2 = ?
0.8
0.08
8.0
0.42
Explanation: 4 × 2 = 8, one decimal place → 0.8.
Question 10 of 10
easy
3.6 ÷ 10 = ?
0.36
36
3.60
0.036
Explanation: ÷ 10 moves the point one place left → 0.36.