Page 98 - Arithmetic Std 2
P. 98
FOR ONLINE USE ONLY
DO NOT DUPLICATE
Word problems involving subtraction of numbers
by regrouping
FOR ONLINE USE ONLY
Example
A school had 543 desks. It was found out that 129
desks were damaged. How many desks were not
damaged?
Solution Hundreds Tens Ones
5 4 3
_
1 2 9
Steps
Hundreds
1. Subtract ones, 3 – 9. Tens Ones
9 can not be subtracted from 3.
5 4 3
– 1 2 9
Hundreds
2. Take 1 tens from 4 tens. You Tens Ones
are left with 3 tens, the ones 3 13
become 10 + 3 = 13 ones. 5 4 3
– 1 2 9
91
PROPERTY OF UNITED REPUBLIC OF TANZANIA GOVERNMENT
Ministry of Education, Science and Technology
ARITHMETICS PUPIL'S STD 2.indd 91 03/08/2019 13:06