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