Page 22 - Spark of math 3

(2-1) Addition.

Do you know how to add numbers? LET'S TRY!

Arrange the numbers according to their place value.

Add the units first, then the tens, next the hundreds

and finally the thousands.

To add 7263 + 2415:

Add the Add the Add the Add the
ones tens hundreds thousands

7 2 6 3 7 2 6 3 7 2 6 3 7 2 6 3

+ 2 4 1 5 + 2 4 1 5 + 2 4 1 5 + 2 4 1 5
8 7 8 6 7 8 9 6 7 8

We call the numbers 7263, 2415 the addend,

and the number 9678 the sum.

Find the sum.

31054
1010
+ 67421
+ 3864
98475

4702
32243
+ 1253
+ 52721

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