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