Page 8 - PlayFacto_A10
P. 8
Adding three numbers
Adding three numbers in any order gives the same result.
3+4+7
3+4+7=14 3+4+7=14 3+4+7=14
7 11 10
14 14
14
Example 1 Fill in the blanks. 6+2+8 6+2+8
⑴ 6+2+8=
6+2+8
⑵ 1+5+9= 1+5+9 1+5+9
1+5+9
51. Adding three numbers
Adding three numbers in any order gives the same result.
3+4+7
3+4+7=14 3+4+7=14 3+4+7=14
7 11 10
14 14
14
Example 1 Fill in the blanks. 6+2+8 6+2+8
⑴ 6+2+8=
6+2+8
⑵ 1+5+9= 1+5+9 1+5+9
1+5+9
51. Adding three numbers
