1
Match each expression with its answer: 6-6=?, 4+12=?, 16-10=?, 12-8=?, 3-1=?, 1+2=?, 6+5=? =
2
Match each expression with its answer: 5+12=?, 9-7=?, 20+2=?, 7+4=?, 8x2=?, 14-14=?, 19+15=? =
3
Match each expression with its answer: 9x4=?, 2x2=?, 9x3=?, 3x6=?, 13+20=?, 6-4=?, 3x5=? =
4
Match each expression with its answer: 11+12=?, 3+11=?, 4x9=?, 8+9=?, 9+4=?, 10+5=?, 6+12=? =
5
Match each expression with its answer: 2-1=?, 19-19=?, 4x4=?, 4-1=?, 13-1=?, 16+2=?, 9x5=? =
6
Match each expression with its answer: 6x9=?, 5x6=?, 5-3=?, 9x2=?, 12+10=?, 13+19=?, 2x7=? =
7
Match each expression with its answer: 17-16=?, 7+4=?, 6x5=?, 4x5=?, 12+3=?, 8-6=?, 19+10=? =
8
Match each expression with its answer: 4+5=?, 12-12=?, 9x4=?, 5+19=?, 16+14=?, 2x4=?, 14+3=? =