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