1
Match each expression with its answer: 3-3=?, 6-2=?, 6x6=?, 7+1=? =
2
Match each expression with its answer: 2-1=?, 9x4=?, 5+9=?, 8+8=? =
3
Match each expression with its answer: 2x7=?, 3-3=?, 8+3=?, 5+10=? =
4
Match each expression with its answer: 4-3=?, 8x6=?, 8-1=?, 4x5=? =
5
Match each expression with its answer: 2x5=?, 8+4=?, 5+2=?, 10-6=? =
6
Match each expression with its answer: 5+9=?, 4x5=?, 7x4=?, 8-3=? =
7
Match each expression with its answer: 5x7=?, 3+4=?, 5+7=?, 7-2=? =
8
Match each expression with its answer: 6-3=?, 6x3=?, 9x8=?, 6+5=? =