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