Olympiad Math Preparation – Class 2 – Computation Operations – Subtraction of 2 and 3 digit numbers ( with regrouping/borrow

1. Which number is less than 400 by 82 ?

a. 482	b. 318
c. 382	d. 418

2. What is difference between the greatest and smallest numbers ?

Numbers are : 167, 456, 389, 345 , 212

a. 244	b. 222
c. 289	313

3. The difference between smallest three digit number and greatest one digit number is ______________

a. 1	b. 899
c. 90	d. 91

4. The difference between number shown in abacus is _____________________________

a. 99	b. 100
c. 9	d. 11

5. Complete the series : 200 , 180 , 160 , 140 , ________

a. 100	b. 160
c. 200	d. 120

6. What is difference between 10 tens and 6 ones

a. 106	b. 1006
c. 94	d. 994

7. How many tens are there in difference between numbers : 679 and 479 ?

a. 200 tens	b. 20 tens
c. 2 tens	d. None of above