Page 23 - Math Skill - 2
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Addition of 2-digit Numbers 21
Addition
Addition means combining objects of two or more collections.
or 3 5 Addend
Putting things together is called addition. + 2 2 Addend
‘+’ (Plus) is the sign of addition. 5 7 Sum
The numbers we add are called addends and the answer we get is called
the sum or the total.
Addition without Regrouping
Add 32 and 26.
To add 32 and 26, 32 T O
we can use blocks. 3 2
+ 2 6
26
Add the ones. T O
Count all the ones blocks 3 2
to add the ones. + 2 6
2 ones + 6 ones = 8 ones 8
Add the tens. T O
Count all the tens blocks 3 2
to add the tens. + 2 6
3 tens + 2 tens = 5 tens 5 8
So, 32 + 26 = 58