Open Middle®
Directions: Using the digits 0 to 9, at most one time each, place a digit in each box to make the equation true.
Hint
Can you show two numbers you could add together using your fingers?
Answer
There are many answers. Here are some possibilities:
1 + 2 = 3 and 4 + 5 = 9; 2 + 4 = 6 and 5 + 3 = 8.
1 + 2 = 3 and 4 + 5 = 9; 2 + 4 = 6 and 5 + 3 = 8.
Source: Stephen Caviness
1+2=3
4+5=9
1+3=4
2+5=7
1+4=5
2+6=8
1+5=6
2+3=5
1+6=7
3+5=8
1+7=8
3+6=9
1+8=9
4+3=7
2+7=9
NOT 2+3=5
its all right we all make mistakes