The document discusses addition with and without regrouping. It provides examples to demonstrate how to add large numbers step-by-step by placing digits in the correct columns and regrouping when needed. In the first example, the total number of people who watched three baseball games is calculated to be 9,846. In the second example, the total number of people who went to a school fair over two days is calculated to be 6,305. The document emphasizes that addition involves regrouping when needed and checking the sum by adding upward.
3. ADDING WITHOUT REGROUPING
To add large numbers, add the
digits in the ones, the tens, the
hundreds and so on. Continue up to
the last digit. Write the sum under
each column.
4. ADDING WITHOUT REGROUPING
EXAMPLE # 1:
At the interschool Baseball Games
in Lanao 2 301 people watched the
first game, and 4 410 people watched
the third game. How many people
watched the three games?
5. ADDING WITHOUT REGROUPING
To find the answer, add the numbers
of people who watched the game.
2 301 + 3 135 + 4 410 = n where
n is the total number of people who
watched the game.
6. ADDING WITHOUT REGROUPING
Add the
ones.
2 301
3 135
+ 4 410
6
Add the
tens .
2 301
3 135
+ 4 410
46
Add the
hundred
s.
2 301
3 135
+ 4 410
846
Add the
thousand
s.
2 301
3 135
+ 4 410
9 846
Check by
adding
upward.
2 301
3 135
+ 4 410
9 846
8. ADDING WITH REGROUPING
To add large numbers with
regrouping, add the ones first.
Regroup the tens with the tens.
Continue adding the tens, hundreds,
thousands and so on. Regroup
whenever needed.
Check the sum by adding upward.
9. ADDING WITH REGROUPING
EXAMPLE #2:
There were 3 546 people on
Saturday and 2 759 people on Sunday
who went to the Umingan School Fair.
How many people went to the school
fair in 2 days?
10. ADDING WITH REGROUPING
Add ones.
Regroup.
1
3 546
+2 759
5
Add the
tens.
Regroup.
1
3 546
+2 759
305
Add the
hundredsR
egroup
1
3 546
+2 759
305
Add the
thousands
. Regroup.
1
3 546
+2 759
6 305
Check the
answer by
adding
upward.
1
3 546
+2 759
6 305