Online Test — Multi-Digit Multiplication
10 Questions • 15 min • Chapter MCQ
15:00
Question 1 of 10
easy
10 × 10 = ?
10
100
1000
20
Explanation: 10 × 10 = 100.
Question 2 of 10
hard
Best estimate for 297 × 3?
600
900
1200
300
Explanation: ≈ 300 × 3 = 900.
Question 3 of 10
easy
1234 × 2 = ?
2468
2448
2478
1236
Explanation: 1234 × 2 = 2468.
Question 4 of 10
easy
Estimate 48 × 21 (nearest 10).
800
1000
1200
900
Explanation: ≈ 50 × 20 = 1000.
Question 5 of 10
medium
About how much is 39 × 11?
about 400
about 300
about 600
about 200
Explanation: ≈ 40 × 10 = 400.
Question 6 of 10
medium
25 × 12 = ?
300
250
320
350
Explanation: 25 × 12 = 300.
Question 7 of 10
medium
2345 × 4 = ?
9280
9380
9180
8380
Explanation: 2345 × 4 = 9380.
Question 8 of 10
easy
1111 × 5 = ?
5555
5550
5055
1115
Explanation: 1111 × 5 = 5555.
Question 9 of 10
easy
Estimate 31 × 30.
600
900
1200
300
Explanation: ≈ 30 × 30 = 900.
Question 10 of 10
easy
15 × 10 = ?
150
15
1500
25
Explanation: × 10 adds a zero → 150.