Online Test — Decimal Operations
10 Questions • 30 min • Chapter MCQ
30:00
Question 1 of 10
medium
2.5 − 0.5 = ?
2.0
2.5
1.5
3.0
Explanation: 2.5 − 0.5 = 2.0.
Question 2 of 10
medium
2.5 × 10 = ?
2.5
25
250
0.25
Explanation: One place right → 25.
Question 3 of 10
medium
5 − 1.4 = ?
3.6
4.6
3.4
4.4
Explanation: 5.0 − 1.4 = 3.6.
Question 4 of 10
hard
2.5 × 3 = ?
6.5
7.5
7.0
5.5
Explanation: 2.5 × 3 = 7.5.
Question 5 of 10
easy
0.5 × 2 = ?
1.0
0.10
2.5
0.52
Explanation: 0.5 × 2 = 1.0.
Question 6 of 10
hard
0.4 × 1000 = ?
4
40
400
4000
Explanation: Three places right → 400.
Question 7 of 10
hard
1.2 × 5 = ?
5.0
6.0
6.5
5.5
Explanation: 1.2 × 5 = 6.0.
Question 8 of 10
medium
1.5 × 4 = ?
5.5
6.0
6.5
4.5
Explanation: 1.5 × 4 = 6.0.
Question 9 of 10
hard
12.5 ÷ 100 = ?
1.25
0.125
125
0.0125
Explanation: Two places left → 0.125.
Question 10 of 10
easy
0.3 + 0.4 = ?
0.7
0.07
7.0
0.34
Explanation: Add the tenths: 3 + 4 = 7 tenths = 0.7.