Page 45 - Mathematics Pre Primer
P. 45
Addi on of 2-Digit Numbers
Add by drawing lines. First add the ones together and a er
that add the tens together.
T O T O T O T O
3 2 3 3 4 1 5 2
123 12
11 1111
45 + 2 4 3456 + 4 2 + 4 3 + 3 6
5 6
T O T O T O T O
7 3 8 1 6 2 6 1
+ 2 4 + 1 7 + 3 7 + 2 2
T O T O T O T O
3 5 5 4 7 3 4 8
+ 4 0 + 2 3 + 1 3 + 5 1
T O T O T O T O
7 2 6 4 6 6 7 6
+ 1 5 + 3 5 + 1 1 + 1 2
T O T O T O T O
8 5 8 7 7 6 4 1
+ 1 4 + 1 0 + 1 3 + 1 2
45 Maths Pre-Primer
