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