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E:\Working\Focus_Learning\Math_Genius_1_(05-10-2023)\Open_Files\03_Chap_3\Chap_3
\ 11-Sep-2024 Bharat Arora Proof-6 Reader’s Sign _______________________ Date __________
Count the objects and add them together to fill in the box with the correct answer.
1. 2.
6 + 4 = 3 + 5 =
3. 4.
9 + 1 = 8 + 1 =
5. 6.
8 + 2 = 7 + 3 =
Addition by Counting ForwArd
When we combine two or more collection of objects, the total number of objects
is the sum of the numbers.
For example, in the picture below there are 5 pineapples in the The sign ‘=‘ means
first group and 3 pineapples in the second group. ‘is equal to’
Knowledge Desk
The first use of
the symbols ‘+’ and
We start from 5 and count forward by 3 steps as: ‘−’ for addition and
subtraction was seen
and 1
and 1
and 1
→
→
→
5 6 7 8 in Europe in the 17th
century. Until then,
So we say there are 8 pineapples altogether and we can it was common to use
write it as the letter P for plus
and the letter M for
5 + 3 = 8 minus.
40 Mathematics-1

