1
Match each expression with its answer: 16-16=?, 12-2=?, 6-1=?, 10-9=?, 14-7=?, 9x7=?, 15+4=? =
2
Match each expression with its answer: 11-3=?, 12-10=?, 8+4=?, 4-4=?, 14+18=?, 14-1=?, 4+2=? =
3
Match each expression with its answer: 5x5=?, 15-5=?, 6x7=?, 7-6=?, 15+12=?, 6x8=?, 2-2=? =
4
Match each expression with its answer: 3x9=?, 19-1=?, 17-17=?, 9-8=?, 5-1=?, 6x9=?, 16+7=? =
5
Match each expression with its answer: 2x9=?, 17-10=?, 20+9=?, 5x7=?, 2-1=?, 4x5=?, 4x8=? =
6
Match each expression with its answer: 4x7=?, 12-4=?, 3+19=?, 17-15=?, 19-19=?, 6+3=?, 6x6=? =
7
Match each expression with its answer: 5x9=?, 9x2=?, 20-19=?, 3x8=?, 8x4=?, 9x9=?, 13+12=? =
8
Match each expression with its answer: 15+13=?, 7x5=?, 2x3=?, 20-13=?, 6x6=?, 2x5=?, 2x2=? =