1
Match each expression with its answer: 6-3=?, 3+5=?, 2-1=?, 9-7=? =
2
Match each expression with its answer: 7+4=?, 8+7=?, 7-7=?, 5-1=? =
3
Match each expression with its answer: 4x3=?, 1+6=?, 6x9=?, 7x7=? =
4
Match each expression with its answer: 2x6=?, 6x8=?, 2-2=?, 8-2=? =
5
Match each expression with its answer: 4-3=?, 4x2=?, 5-5=?, 8+3=? =
6
Match each expression with its answer: 9+1=?, 5-4=?, 6x2=?, 6x9=? =
7
Match each expression with its answer: 9x8=?, 3x7=?, 2x7=?, 4x5=? =
8
Match each expression with its answer: 2+4=?, 10+7=?, 4x4=?, 8x7=? =