6 + 3 = 9 3 + 6 = 9
6 + 3 = 3 + 6 |
The sum is the same, no matter of the order of the
numbers. |
Calculate.
| 3 + 8 + 7 = .... 6 + 4 + 5 = ....
6 + 6 + 4 = ....
8 + 5 + 2 = .... |
4 + 5 + 6 = .... 7 + 4 + 3 = ....
5 + 6 + 5 = ....
9 + 6 + 1 = .... |
2 + 6 + 8 = .... 4 + 2 + 6 = ....
8 + 1 + 9 = ....
3 + 6 + 7 = .... |
Odd out the wrong number.
| 4 + 3 + 8 + 2 = 14 9 + 5 + 1 + 2 = 15
5 + 4 + 3 + 6 = 15 |
2 + 8 + 7 + 3 = 18 5 + 1 + 4 + 5 = 10
7 + 4 + 3 + 6 = 16 |
5. Martin read 7 pages in the morning, 8 pages in the afternoon and
3 pages.
How many pages he read?
Answer: .....................................................
What book it was?What do you think?
............................................................................................................................... |