XXI. Intro to Fractions and Equivalent Fractions; XXII.S implest Form; XXIII. Decimals and Fractions; XXIV. Comparing and Ordering Fractions; XXV. Adding and Subtracting Fractions; XXVI. Borrowing w/MN Subtraction;XXVII. Multiplying Fractions and Mixed Numbers; XXVIII. Dividing Fractions and Mixed Numbers