Online Test — Subtraction with Regrouping
10 Questions • 15 min • Chapter MCQ
15:00
Question 1 of 10
easy
42 - 7 = ?
35
45
34
36
Explanation: Borrow: 12 − 7 = 5, tens become 3 → 35.
Question 2 of 10
easy
52 - 18 = ?
34
44
36
46
Explanation: 12−8=4 (tens→4); 4−1=3 → 34.
Question 3 of 10
easy
In 42 − 7, when we borrow, the 2 becomes…
20
12
10
22
Explanation: Borrowing 1 ten makes the 2 into 12.
Question 4 of 10
medium
85 - 47 = ?
38
48
42
32
Explanation: 15−7=8; 7−4=3 → 38.
Question 5 of 10
hard
200 - 65 = ?
145
135
165
125
Explanation: Borrow across zeros: 200 − 65 = 135.
Question 6 of 10
easy
Which word means SUBTRACT?
altogether
in all
how many left
total
Explanation: 'How many left' means subtract.
Question 7 of 10
medium
To check 90 − 35 = 55, add…
55 + 35
90 + 35
55 + 90
90 − 55
Explanation: Answer + amount taken: 55 + 35 = 90 ✔️
Question 8 of 10
hard
305 - 47 = ?
248
258
268
358
Explanation: Borrow across the zero: 305 − 47 = 258.
Question 9 of 10
medium
A shop had 120 toys and sold 75. How many remain?
35
45
55
65
Explanation: 120 − 75 = 45.
Question 10 of 10
medium
Which subtraction does NOT need borrowing?
43 - 7
68 - 25
50 - 16
31 - 9
Explanation: 68−25: 8−5 and 6−2 both work without borrowing.