Addition (2-digit) — Chapter Test | Class 2 IMO

Q1

Which sum is the odd one out (three equal 40): 25 + 15, 30 + 10, 20 + 20, 22 + 19?

22 + 19 = 41; the other three equal 40.

Q2

If 3 + 4 = 7, then 30 + 40 = ___ ?

Tens add the same way: 30 + 40 = 70.

Q3

Fill the blank: 26 + ___ = 30 ?

26 + 4 = 30.

Q4

Add: 43 + 21 = ?

Ones 3 + 1 = 4, tens 4 + 2 = 6, so 64.

Q5

Add: 37 + 28 = ?

Ones 7 + 8 = 15, write 5 carry 1; tens 3 + 2 + 1 = 6, so 65.

Q6

Add: 19 + 19 = ?

Ones 9 + 9 = 18, write 8 carry 1; tens 1 + 1 + 1 = 3, so 38.

Q7

Add: 11 + 22 + 33 = ?

11 + 22 = 33, then 33 + 33 = 66.

Q8

Aarav read 18 pages in the morning and 23 pages at night. How many pages in all?

18 + 23 = 41 pages.

Q9

A bus has 26 people. At a stop 14 more get in. How many people now?

26 + 14 = 40 people.

Q10

Meena buys sweets for ₹35 and a toy for ₹20. How much in all?

35 + 20 = ₹55.

Q11

A number added to 27 gives 50. What is the number?

50 − 27 = 23, so 27 + 23 = 50.

Q12

Three friends collected shells: 12, 15 and 13. How many shells altogether?

12 + 15 = 27, then 27 + 13 = 40 shells.