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