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