1
Match each expression with its answer: 3+9=?, 4-4=?, 5x2=?, 2-1=? =
2
Match each expression with its answer: 4-1=?, 7x5=?, 9+2=?, 10-1=? =
3
Match each expression with its answer: 8-5=?, 9-9=?, 2x6=?, 7x8=? =
4
Match each expression with its answer: 2+8=?, 4x4=?, 7x7=?, 4+4=? =
5
Match each expression with its answer: 7x7=?, 8x6=?, 5x2=?, 4-1=? =
6
Match each expression with its answer: 8-2=?, 4+4=?, 9-9=?, 9+10=? =
7
Match each expression with its answer: 9-6=?, 5x8=?, 3-3=?, 4+2=? =
8
Match each expression with its answer: 7+1=?, 2+4=?, 6+7=?, 2-1=? =