1
Match each expression with its answer: 10+14=?, 8x7=?, 18+1=?, 18-17=?, 9+9=?, 12+9=?, 20-20=? =
2
Match each expression with its answer: 2x2=?, 20+19=?, 2x7=?, 12-2=?, 5x4=?, 16+3=?, 7-2=? =
3
Match each expression with its answer: 15-10=?, 18-17=?, 1+13=?, 3x7=?, 19+15=?, 3+13=?, 16+4=? =
4
Match each expression with its answer: 11-9=?, 8x3=?, 4x8=?, 9x7=?, 7x6=?, 4-4=?, 5x3=? =
5
Match each expression with its answer: 5+14=?, 9-9=?, 7+15=?, 5+10=?, 17+6=?, 2x7=?, 15-2=? =
6
Match each expression with its answer: 3x5=?, 6x9=?, 12-9=?, 7+3=?, 9+15=?, 2-2=?, 9x9=? =
7
Match each expression with its answer: 5+15=?, 5-3=?, 8-1=?, 8x9=?, 2x3=?, 2x6=?, 18+6=? =
8
Match each expression with its answer: 8x2=?, 4+4=?, 12+5=?, 19+16=?, 10+19=?, 4-3=?, 5x8=? =