Online Test — Multi-Digit Multiplication
10 Questions • 30 min • Chapter MCQ
30:00
Question 1 of 10
easy
To estimate a product, you first…
round the numbers
add the numbers
subtract
ignore the numbers
Explanation: Round each number, then multiply.
Question 2 of 10
easy
45 × 20 = ?
90
900
9000
450
Explanation: 45 × 2 = 90, then add a zero → 900.
Question 3 of 10
medium
23 × 12 = ?
266
276
286
246
Explanation: 23 × 2 = 46 and 23 × 10 = 230; 46 + 230 = 276.
Question 4 of 10
easy
There are 12 eggs in a tray. How many eggs in 6 trays?
60
72
84
66
Explanation: 12 × 6 = 72.
Question 5 of 10
easy
100 × 25 = ?
250
2500
25000
125
Explanation: Multiplying by 100 adds two zeros → 2500.
Question 6 of 10
hard
27 × 4 = ? (needs carrying)
98
108
88
118
Explanation: 4 × 7 = 28 (carry 2); 4 × 2 + 2 = 10 tens → 108.
Question 7 of 10
medium
A class has 32 students. Each needs 5 notebooks. How many notebooks in all?
150
160
170
37
Explanation: 32 × 5 = 160.
Question 8 of 10
medium
Estimate 52 × 48 (nearest 10).
2000
2500
3000
1500
Explanation: ≈ 50 × 50 = 2500.
Question 9 of 10
easy
Each ticket costs ₹25. What is the cost of 4 tickets?
₹75
₹100
₹125
₹90
Explanation: 25 × 4 = ₹100.
Question 10 of 10
medium
About how much is 39 × 11?
about 400
about 300
about 600
about 200
Explanation: ≈ 40 × 10 = 400 (exact 429).