1. 4-1 Estimating with FractionsEstimating with Fractions 4-2 Adding and Subtracting FractionsAdding and Subtracting Fractions 4-3 Adding and Subtracting Mixed NumbersAdding and Subtracting Mixed Numbers 4-4 Multiplying Fractions and Mixed NumbersMultiplying Fractions and Mixed Numbers 4-5 Dividing Fractions and Mixed NumbersDividing Fractions and Mixed Numbers 4-6 Solving Equations Containing FractionsSolving Equations Containing Fractions 4-7 Adding, Subtracting, and Multiplying DecimalsAdding, Subtracting, and Multiplying Decimals 4-8 Dividing DecimalsDividing Decimals 4-9 Metric MeasurementsMetric Measurements 4-10 Solving Equations Containing DecimalsSolving Equations Containing DecimalsPreview Warm Ups

2. 1. 5.2x = 127.92 2. = 64.2 3. 2.6 = Warm Up Solve. x = 24.6 x = 39.26 x = 263.22 x t 4.1 x 15.1 4-1 Estimating with Fractions

3. Warm Up Find the LCM for each set of numbers. 1. 8 and 12 2. 12 and 18 3. 10 and 12 4. 12 and 24 24 36 60 24 4-2 Adding and Subtracting Fractions

4. Warm Up Add or subtract. 1. 2. 3.. 4. 7878 1313 7 12 1515 4-3 Adding and Subtracting Mixed Numbers

5. Warm Up What is of each of the following? 1. 242. 16 3. 304. 28 128 15 1 2 14 4-4 Multiplying Fractions and Mixed Numbers

6. Warm Up Multiply. 1. 2. 3. 4. 4-5 Dividing Fractions and Mixed Numbers 7 18 27 20 7 or 1 2 77 5 5 or 15 25 8 8 or 3 1

7. Warm Up Solve. 1. x – 16 = 8 2. 7a = 35 3. 4. y + 21 = 31 x = 24 a = 5 x = 132 x 12 = 11 y = 10 4-6 Solving Equations Containing Fractions

8. Warm Up Estimate by rounding to the nearest integer. 1. 3.62 + 4.12. 8.23 – 7.47 3. 8.52 – 3.164. 5.826 + 11.729 Multiply. 81 618 63,992 102,920 584,552 4,530 5. 842  76 6. 1,240  83 7. 821  712 8. 302  15 4-7 Adding, Subtracting, and Multiplying Decimals

9. Warm Up Divide. 1. 24.5 ÷ 7 2. 50.4 ÷ 6 3. 19.2 ÷ (–2) 4. 128.1 ÷ 21 3.5 8.4 –9.6 6.1 4-8 Dividing Decimals

10. Warm Up Find each value. 1. 10 2 2. 10 4 3. 100 2 4. 100 3 10010,000 1,000,000 4-9 Metric Measurements

11. Warm Up Solve. 1. x – 17 = 32 2. y + 11 = 41 3. = 18 4. 12x = 108 5. x – 9 = 20 x = 49 y = 30 w = 90 x = 9 x = 29 w 5 4-10 Solving Equations Containing Decimals