Matching Pairs SEVENTH GRADE - MATHSOnline version Matching exercise. by Laura Andrea Pineda Uribe 1 7 X = TWENTY EIGHT 2 2 . ( 1 + 2 x ) = TEN 3 TWELVE + ( FIFTY THREE - FORTY EIGHT) = 4 -5 + - ( FIVE * ONE ) = 5 ONE / SEVEN + ONE / FIVE = X = FOUR X = TWO SEVENTEEN TWELVE / THIRTY FIVE - TEN