homework - isd 622 · 2019. 3. 4. · lesson 5 unit 5 • lesson 5 327 activity 1 write the decimal...

Lesson 1

306 Unit 5 • Lesson 1

Activity 1

Look at the pattern on the number line and find the missing numbers.

1.

2.

3.

4.

5.

6.

Activity 2

Use the number line to answer the questions.

1. Is 10.25 greater than or less than 10.3?

2. Is 10.9 greater than or less than 10.75?

3. Is 10.25 closer to 10 or to 11?

4. Which is closer to 10.5: 10.25 or 10.9?

Activity 3 • Distributed Practice

Solve.

1. 23 + 58 2. 12

3 + 212 3. 4

7 − 37 4. 23 · 45 5. 5

6 ÷ 12

Model

Answers: (a) 12.2 (b) 12.4 (c) 12.7 (d) 12.8

12 12.1 (a) 12.3 (b) 12.5 12.6 (c) (d) 12.9

(a) 24.25 (b) 24.75 (c) (d) 25.5

12 (a) 1223 (b) (c) 132

3 14 1413 (d)

145 (a) (b) 146.5 (c) (d)

200 200.1 (a) (b) 200.4 (c) (d)

10 1014 (a) (b) 11 (c) 111

2 (d) 12

15.7 (a) (b) (c) 16.1 (d) 16.3 16.4

10 10.1 10.2 10.3 10.4 10.5 10.6 10.7 10.8 10.9 1110.25 10.75

Homework

Lesson 2


Activity 1

Write the fraction and decimal number for each of the grids below.

1. 2. 3.

4. 5. 6.

Activity 2

Write the equivalent fraction.

1. 110 = ?

1,000 2. 310 = 30

? 3. 4? = 40

100

4. 610 = 600

? 5. ?10 = 20

100 6. 410 = ?

1,000

Activity 3

Identify parts of triangles and types of triangles.

1. Name the parts of the triangle indicated by a, b, and c.

ab

c

2. Classify each triangle by its sides.

a b c


Solve.

1. 12 − 13 2. 111

2 − 814 3. 2

3 + 36

4. 04 + 02 5. 47 · 23 6. 4

5 ÷ 34

Homework

Lesson 3


Activity 1

Write the fractions for each of the figures.

1. 2. 3. 4.

Activity 2

Tell what digit is in the place-value position.

1. What digit is in the tenths place?

Thousands Hundreds Tens Ones Tenths Hundredths Thousandths

0 4 6 7

2. What digit is in the hundredths place?


0 1 3 7

3. What digit is in the tenths place?


0 0 5 9

4. What digit is in the thousandths place?


0 0 7 8

Activity 3

Write the fractions as decimal numbers. Use the place-value chart to help.


1. 25100 2. 5

10 3. 67100 4. 5

100


Solve.

1. 89 ÷ 23 2. 4

5 + 23 3. 68 · 34 4. 4

7 − 37

Homework

Lesson 4


Activity 1

Write the fractions as decimal numbers.


1. 33100 2. 9

10 3. 28100 4. 6

100 5. 410

Activity 2

Write the decimal numbers as fractions.

1. 0.82 2. 0.5 3. 0.03 4. 0.60 5. 0.19

Activity 3

Write the correct response to each question.

1. Which pair of lines is parallel?

(a) (b) (c)

2. Which quadrilateral does not have any parallel sides?

(d)(a) (b) (c)


Solve.

1. 23 · 34 2. 151

2 ÷ 314 3. 9

10 + 510 4. 7

9 − 29

Model 0.23 → 210

+ 3100

→ 20100

+ 3100

→ 23100

Homework

Lesson 5

Unit 5 • Lesson 5 327

Activity 1

Write the decimal number for each number described in words.

1. six tenths

2. four hundredths

3. sixty-three hundredths

4. five thousandths

5. seventy hundredths

Activity 2


1. 0.05 2. 0.7 3. 0.006

4. 0.12 5. 0.016 6. 0.80

Activity 3

Circle the correct answer.


(a) (b) (c)

2. Here is a description of one of the shapes: The shape has two pairs of parallel sides and no right angles. Which shape is it?

(d)(a) (b) (c)


Solve.

1. 547+ 689

2. 386 4

3. 1,007– 989

4. 60 40

5. 9)540

Model five hundredths Answer: 0.05

Homework

Lesson 6


Activity 1

Complete the equations. Notice the equivalent fractions.

1. 310 · 10

10 = ?? 2. 40

100 · ?10 = 400

1,000

3. ?? · 10

10 = 80100 4. 50

100 · ?? = 500

1,000

5. ?10 · 10

10 = 60100 6. ?

100 · 1010 = 700

1,000

Activity 2

Write the fractions as decimal numbers.

1. 5671,000 2. 5

10 3. 70100

4. 7100 5. 8

1,000

Activity 3


1. 0.02 2. 0.020

3. 0.2 4. 0.20

5. 0.25 6. 0.005

7. 0.002 8. 0.500


Solve.

1. 123 + 41

5 2. 67 · 89 3. 4

5 + 25

4. 1112 − 34 5. 6

9 ÷ 39 6. 78 · 12

Homework

Lesson 7


Activity 1

Convert the fractions to power-of-10 fractions.

1. 14 = ?

100 2. 34 = ?

100 3. 15 = ?

10

4. 24 = ?

100 5. 12 = ?

10 6. 35 = ?

10

Activity 2

Convert the fractions to decimal numbers.

1. 91,000 2. 3

100 3. 110

4. 6100 5. 25

100 6. 271,000

Activity 3

Use your knowledge of geometry to identify types of triangles, parallel lines, quadrilaterals, and measures of angles.

1. Write a, b, and c. Then write acute, obtuse, and right for the appropriate letters.

(a) (b) (c)


(a) (b) (c)

3. Here is a description of one of the shapes below. The shape has two pairs of parallel sides and all of the angles are right angles. One pair of sides is longer than the other pair of sides. Which shape is it?

(d)(a) (b) (c)


Solve.

1. 23 ÷ 13 2. 3

4 · 12 3. 412 · 63

4 4. 89 + 29 5. 7

8 − 23

Homework

Lesson 8


Activity 1


1. 15 2. 1

4 3. 58 4. 1

2 5. 34 6. 4

5

Activity 2

Convert the decimal numbers to fractions.

1. 0.2 2. 0.03 3. 0.12

4. 0.005 5. 0.101 6. 0.020

Activity 3

Identify the types of triangles, lines, and quadrilaterals and find the missing angle measure.

1. Write the letters a, b, and c. Then write scalene, right, or equilateral for the appropriate letters.

(a) (b) (c)

2. Which pair of lines is perpendicular?

(a) (b) (c)

3. Here is a description of one of the shapes below: The shape has two pairs of parallel sides, and none of the angles are right angles. All of the sides have equal length. Which shape is it?

(d)(a) (b) (c)

4. What is the measure of ∠A?

A

45°


Solve.

1. 358 − 13

4 2. 12 + 25 3. 7

8 − 27

4. 69 · 35 5. 5

8 ÷ 28 6. 78 + 13

Homework

Lesson 9


Activity 1

Convert the fractions to decimal numbers, and vice versa.

1. 34 2. 4

5 3. 14

4. 0.02 5. 0.3 6. 0.005

Activity 2

Use a calculator to convert the fractions to decimal numbers.

1. 18 2. 3

5 3. 3648

4. 1224 5. 18

5 6. 278

Activity 3

Tell the measures of the angles.

1. What is the measure of ∠A in this rectangle?

A

2. This is an equilateral triangle. What is the measure of ∠A?

AA


30°

A 110°


55°

125°55°

A


Solve.

1. 34 + 12 2. 7

8 · 12 3. 49 − 39

4. 2478 ÷ 31

8 5. 64 · 38 6. 5

8 + 23

Homework

Lesson 10


Activity 1


1. 34 2. 1

5 3. 45

4. 14 5. 1

8 6. 210

Activity 2


1. 0.1 2. 0.01 3. 0.010

4. 0.001 5. 0.100 6. 0.10

Activity 3

Convert the fractions to decimal numbers using a calculator. Look for repeating decimal number patterns.

1. 121 2. 1

22 3. 113

4. 124 5. 1

15 6. 126


Solve.

1. 476+ 134

2. 579– 298

3. 500 3

4. 67× 21

5. 4)560

Homework

Lesson 11


Activity 1

Order the decimal numbers from least to greatest.

1. 0.12 0.2 0.1 0.02

2. 0.57 0.65 0.09 0.84

3. 0.08 0.1 0.95 0.27

Activity 2


1. 34 2. 3

8 3. 35

Activity 3

Find the decimal number that is greater.

1. 0.05 0.50 2. 0.009 0.1 3. 0.7 0.75


Solve.

1. 45 + 29 2. 7

8 · 67 3. 410 ÷ 15

4. 212 · 13

4 5. 179 − 23 6. 1

8 + 56

Homework

Lesson 12


Activity 1

Write the fractions and decimal numbers in order from least to greatest.

1. 0.001 0.02 13 0.004

2. 1.1 215 0.11 1

4

3. 710 0.06 0.005 2

5

4. 0.03 45

56 0.35

Activity 2

Round the decimal numbers to the nearest (a) tenth and (b) hundredth.

1. 0.709 2. 0.092

3. 0.123 4. 0.453

Activity 3

Identify types of sides and types of triangles.

1. Which of these polygons has perpendicular sides?

(d)(a) (b) (c)

2. Which of these polygons has parallel sides?

(d)(a) (b) (c)

3. Which triangles are acute triangles?

(d)(a) (b) (c)

4. Which of these triangles is an obtuse triangle?

(d)(a) (b) (c)


Solve.

1. 479 · 21

2 2. 311 − 2

11 3. 57 + 34

4. 29 ÷ 19 5. 7

8 ÷ 14 6. 78 · 9

11

Model 0.48572 Answer: (a) 0.5 (b) 0.49

Homework

Lesson 13


Activity 1

Write the decimal numbers and fractions in order from least to greatest. Round fractional conversions. Use a number line to help if necessary.

1. 0.99 0.88 15 0.08 3

4 0.8

2. 0.1 56 0.2 3

8 0.003 0.02

3. 19 0.020 0.16 2

9 0.001 79

Activity 2

Round the decimal numbers to the nearest tenth. Then find the nearest benchmark.

1. 0.08543 2. 0.91257

3. 0.15378 4. 0.63879

Activity 3

Identify angles, types of lines, and polygons that make other polygons.

1. The sum of the angle measures in this polygon is 360 degrees. Which one is it?

(d)(a) (b) (c)

2. This polygon has two sides that are perpendicular. Which one is it?

(d)(a) (b) (c)

3. This polygon has two sides that are parallel. Which one is it?

(d)(a) (b) (c)

4. Two of this polygon could combine to make a rectangle. Which one is it?

(d)(a) (b) (c)


Solve.

1. 45 + 23 2. 7

8 − 58 3. 112 + 23

4 4. 68 ÷ 18

Model 0.48572

Answer: (a) 0.5 (b) 0.5

Homework

Lesson 14


Activity 1


1. 45 2. 7

10 3. 23 4. 6

12

Activity 2


1. 0.1 2. 0.05 3. 0.15 4. 0.003

Activity 3

Order the fractions and decimal numbers from least to greatest.

1. 0.25 15 0.7 3

4 2. 510 0.53 0.2 1

4

3. 0.62 23 25

50 0.09 4. 13 0.31 3

8 0.42

Activity 4

Use the properties of polygons to answer the questions.

1. Which one of these polygons is a quadrilateral?

(d)(a) (b) (c)

2. Which one of these polygons is a kite?

(d)(a) (b) (c)

3. Which one of these polygons is an acute triangle?

(d)(a) (b) (c)

4. Which one of these polygons is not a quadrilateral?

(d)(a) (b) (c)


Solve.

1. 67 · 49 2. 8

9 · 611 3. 1

28 ÷ 17 4. 1526 − 81

4

Homework

homework - isd 622 · 2019. 3. 4. · lesson 5 unit 5 • lesson 5 327 activity 1 write the decimal...

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