Page 104 - Math Skill - 1

102 Maths

Subtract the tens. T O

1 ten was borrowed 3 15
by ones. 4 5

So, 3 tens were left. – 1 7

3 Tens – 1 Ten 2 8

= 2 Tens

So, 45 – 17 = 28

Subtract the following.

T O T O T O T O

2 8 4 3 4 0 2 5
– 1 9 – 2 7 – 1 9 – 1 8

T O T O T O T O

5 0 4 2 5 3 6 5
– 2 5 – 2 8 – 3 8 – 3 6

Teacher's Diary
Point out to the Absorbing Facts

students that the digit
at the ones place, i.e. Always write the greater T O T O
6 3
2 8
7, is greater than 5 number on top while – 6 3 7 – 2 8 4
that’s why we borrow subtracting the numbers.
1 ten from tens.