Mathematics Quiz
1. Which is a fact family?
1+2=3 And 2+1=3
2+3=5 And 6+1=7
3+1=4 And 3x3=9
5-1=4 And 14
1+2=3 And 2+1=3
2+3=5 And 6+1=7
3+1=4 And 3x3=9
5-1=4 And 14