4-1 Estimating with Fractions 4-2 Adding and Subtracting Fractions

# 4-1 Estimating with Fractions 4-2 Adding and Subtracting Fractions

## 4-1 Estimating with Fractions 4-2 Adding and Subtracting Fractions

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1. Lesson Quizzes Preview 4-1 Estimating with Fractions 4-2 Adding and Subtracting Fractions 4-3 Adding and Subtracting Mixed Numbers 4-4 Multiplying Fractions and Mixed Numbers 4-5 Dividing Fractions and Mixed Numbers 4-6 Solving Equations Containing Fractions 4-7 Adding, Subtracting, and Multiplying Decimals 4-8 Dividing Decimals 4-9 Metric Measurements 4-10 Solving Equations Containing Decimals

2. 1 2 1 4-1 Estimating with Fractions Lesson Quiz 1. The new show arena being built in Franklin County is 150 feet long and 110 feet wide. Estimate the difference between the length and width. 3 4 1 2 40 ft Estimate each sum or difference. 5 9 4 5 1 2 7 8 3 7 2. + 3. – 3 4 1 5 – 9 6 4. 4 Estimate each product or quotient. 7 8 1 6 5. 5 • 2 12 1 3 5 6 6. 17 ÷ 3 6

3. 1 8 1 1 4 in. 4-2 Adding and Subtracting Fractions Lesson Quiz Add or subtract. Write each answer in simplest form. 3 8 5 8 5 7 3 7 2 7 1 + – 1. 2. 1 12 1 3 1 2 1 4 5 12 11 12 – 4. 3. + 7 8 5. You need a nail to go through a -inch door and extend an extra inch. How long should the nail be?

4. 5 12 10 1 4 20 1 8 5 7 18 5 5 8 1 yards 4-3 Adding and Subtracting Mixed Numbers Lesson Quiz Add or subtract. Write each answer in simplest form. 1. 5 2. 9 3. 7 4. 10 1 4 1 6 5 + 7 12 2 3 + 10 3 4 7 8 – 2 2 9 5 6 – 4 1 2 5. A single roll of wallpaper unrolls to 15 yards. 7 8 You hang 13 yards from the roll. How much wallpaper remains?

5. 5 48 35 12 11 12 or 2 1 8 1 pounds 1 2 17 2 or 8 4-4 Multiplying Fractions and Mixed Numbers Lesson Quiz Multiply. Write each answer in simplest terms. 1. 2. 7 8 3. 4. 1 5. A recipe for clam chowder calls for 2 pounds of 4 butter. If you prepare one-half of the recipe, how much butter do you need?

6. 40 9 4 9 or 4 3 5 1 3. ÷ 6 10 35 44 1 7 1 2 ÷ 3 2 4. 4-5 Dividing Fractions and Mixed Numbers Lesson Quiz Divide. Write each answer in simplest form. 4 5 10 8 ÷ 1. 5 9 1 8 2. ÷ 3 4 1 4 5. There are 5 yards of silk in a roll. If it takes of a yard to make one designer scarf, how many scarves can be made from the roll? 7

7. 12 7 5 7 or 1 16 9 7 9 or 1 4-6 Solving Equations Containing Fractions Lesson Quiz Solve. Write each answer in simplest form. 1. 2. 3. 4. 3 8 5 8 1 x – = 5 32 7 16 19 32 y + = x 4 3 7 = 1 3 3 4 x = 1 5. Over the course of a week, Marissa ate some apples from a basket on the table. She left 20 apples in the basket. This was five-eighths the number of apples her mother had picked earlier in the week. How many apples did her mother pick? 32

8. 4-7 Adding, Subtracting, and Multiplying Decimals Lesson Quiz Add, subtract, or multiply.Estimate to check whether your answer is reasonable. 21.25; Estimate: 7 + 14 = 21 1. 6.98 + 14.27 6.72 – 4.16 2.56; Estimate: 7 – 4 = 3 2. 3. 3.4  4.1 4. 7.62  (–5.4) 5. Dennis runs 7.2 miles per day. How far does he run in 5 days? 13.94; Estimate: 3 • 4 = 12 –41.148; Estimate: 8 • (–5) = –40 36 miles

9. 4-8 Dividing Decimals Lesson Quiz Divide. Estimate to check whether each answer is reasonable. 1. 78.2 ÷ 0.04 2. –9.72 ÷ 2.7 3. 18.88 ÷ 1.6 4. 19.5 ÷ 3.25 5. Jordan used 32.46 gallons of gas to drive his van 584.28 miles. How many miles did Jordan get per gallon? 1,995 –3.6 11.8 6 18

10. 4-9 Metric Measurements Lesson Quiz Convert each measure. 1. 1,270 g to kilograms 2. 890 cm to millimeters 3. 750 mL to liters 4. 122 km to meters 5. 800 mg to grams 1.27 kg 8,900 mm 0.75 L 122,000 m 0.8 g 6. Rosa walks 1.5 km to the library. Meghan walks 2,200 m to the library. Who walks farther? Use estimation to explain why your answer makes sense. Meghan walks farther. 2,200 m = 2.2 km

11. 4-10 Solving Equations Containing Decimals Lesson Quiz Solve. 1.x – 14.23 = 19.5 2. 12.6c = –103.32 3. 4.m – 12.97 = 14.35 5. The French Club is selling coupon books for \$8.25 each. How many books must be sold to bring in \$5,940? x = 33.73 c = –8.2 x x = 56.73 =6.1 9.3 m =27.32 720 books