Decimals - moreeinfo.commoreeinfo.com/lesson/maths/MATHLETICS RESOURCES (7...EXCEL ESSENTIAL SKILLS: YEAR 7 MATHEMATICS REVISION AND EXAM WORKBOOK 2 – EXTENSION 67 Decimals Total

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Decimals

0.18 < 0.2

Teacher Book - Series H-2

65EXCEL ESSENTIAL SKILLS: YEAR 7 MATHEMATICS REVISION AND EXAM WORKBOOK 2 – EXTENSION

Decimals

TOPIC TEST PART A

1 (0.3)2 equals

A 0.09 B 0.9 C 9.0 D 0.03

2 8.3 + 2.5 equals

A 11.8 B 10.8 C 5.8 D 20.75

3 6.7 – 4.71 equals

A 2.53 B 11.41 C 1.99 D 2.99

4 3310

31000

+ + equals

A 3.333 B 3.033 C 3.330 D 3.303

5 0.625 ÷ 5 equals

A 0.125 B 0.25 C 0.105 D 1.25

6 Which is the largest?

A 4.4 B 4.44 C 4.04 D 4.404

7 20 ÷ 0.05 equals

A 200 B 300 C 400 D 1000

8 170

1000− equals

A 0.30 B 0.7 C 0.93 D 0.933

9 Divide $16.45 equally among 7 children.

A $2.65 B $2.45 C $2.35 D $2.25

10 Which is the smallest?

A 0.21 B 0.122 C 0.12 D 0.121

Marks

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Decimals

Instructions • This part consists of 15 multiple choice questions

• Fill in only ONE CIRCLE for each question• Each question is worth 1 mark• Calculators are NOT allowed

Time allowed: 15 minutes Total marks = 15


Decimals

TOPIC TEST PART A

1 (0.3)2 equals

A 0.09 B 0.9 C 9.0 D 0.03

2 8.3 + 2.5 equals

A 11.8 B 10.8 C 5.8 D 20.75

3 6.7 – 4.71 equals

A 2.53 B 11.41 C 1.99 D 2.99

4 3310

31000

+ + equals

A 3.333 B 3.033 C 3.330 D 3.303

5 0.625 ÷ 5 equals

A 0.125 B 0.25 C 0.105 D 1.25

6 Which is the largest?

A 4.4 B 4.44 C 4.04 D 4.404

7 20 ÷ 0.05 equals

A 200 B 300 C 400 D 1000

8 170

1000− equals

A 0.30 B 0.7 C 0.93 D 0.933

9 Divide $16.45 equally among 7 children.

A $2.65 B $2.45 C $2.35 D $2.25

10 Which is the smallest?

A 0.21 B 0.122 C 0.12 D 0.121

Marks

1

1

1

1

1

1

1

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1

1

Decimals

Instructions • This part consists of 15 multiple choice questions

• Fill in only ONE CIRCLE for each question• Each question is worth 1 mark• Calculators are NOT allowed


DecimalsMathletics Instant Workbooks – Series H 2 Copyright © 3P Learning ii

DecimalsTopic Test PART A

Marks

Instructions This part consists of 15 multiple-choice questions Each question is worth 1 mark Fill in only ONE CIRCLE for each question Calculators are NOT allowed


66 EXCEL ESSENTIAL SKILLS: YEAR 7 MATHEMATICS REVISION AND EXAM WORKBOOK 2 – EXTENSION

Decimals

Total marks achieved for PART A

Marks

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11 0.7 + 0.7 equals

A 0.77 B 1.4 C 7.1 D 0.49

12 5 × 3.27 equals

A 16.35 B 15.53 C 13.87 D 17.32

13 0.9 metres is

A 90 cm B 9 cm C 90 mm D 9 mm

14 The average of 0.04, 0.4, 4.44 and 4.0 is

A 4.4 B 4.04 C 2.44 D 2.22

1513

3 7 6 2. .+( ) equals

A 4.5 B 5.2 C 4.33 D 3.3


Decimals

Total marks achieved for PART A

Marks

1

1

1

1

15

1

11 0.7 + 0.7 equals

A 0.77 B 1.4 C 7.1 D 0.49

12 5 × 3.27 equals

A 16.35 B 15.53 C 13.87 D 17.32

13 0.9 metres is

A 90 cm B 9 cm C 90 mm D 9 mm

14 The average of 0.04, 0.4, 4.44 and 4.0 is

A 4.4 B 4.04 C 2.44 D 2.22

1513

3 7 6 2. .+( ) equals

A 4.5 B 5.2 C 4.33 D 3.3

DecimalsTopic Test PART A continued

DecimalsMathletics Instant Workbooks – Series H 2 Copyright © 3P Learning iii

15Total marks achieved for PART A

Marks

Instructions This part consists of 15 questions Each question is worth 1 mark Write answers in the answers-only columnTime allowed: 20 minutes Total marks = 15

Questions Answers only

Total marks achieved for PART B 15

Marks

DecimalsTopic Test PART B

DecimalsMathletics Instant Workbooks – Series H 2 Copyright © 3P Learning iv


Decimals

Total marks achieved for PART B

TOPIC TEST PART B

Marks

Decimals

Instructions • This part consists of 15 questions

• Each question is worth 1 mark• Write answers in the ‘Answers only’ column


15


1 What is the value of 6 in the number 543.7612? ___________________

2 Write 8.452 in expanded form. ___________________

3 Arrange these numbers in ascending order:0.3, 0.033, 0.33, 0.303 ___________________

4 Insert < or >: 8.1 _____ 8.09 ___________________

5 Write 0.6 as a fraction. ___________________

6 Add 4.35, 8.43 and 4.12 ___________________

7 Evaluate 985.12 ÷ 1000 ___________________

8 Evaluate 4.5 × 0.2 ___________________

9 Find the cost of 15 oranges at 16 cents each. ___________________

10 Evaluate 68.01 ÷ 3 ___________________

11 Evaluate 94.236 ÷ 1.2 ___________________

12 Write13

as a recurring decimal. ___________________

13 Round off 25.4752 to 2 decimal places. ___________________

14 Round off 481.637 to the nearest tenth. ___________________

15 Simplify 2.54 + 1.5 × 4 ___________________

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Decimals


TOPIC TEST PART B

Marks

Decimals




15





4 Insert < or >: 8.1 _____ 8.09 ___________________


6 Add 4.35, 8.43 and 4.12 ___________________

7 Evaluate 985.12 ÷ 1000 ___________________

8 Evaluate 4.5 × 0.2 ___________________


10 Evaluate 68.01 ÷ 3 ___________________

11 Evaluate 94.236 ÷ 1.2 ___________________

12 Write13




15 Simplify 2.54 + 1.5 × 4 ___________________

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Decimals


TOPIC TEST PART B

Marks

Decimals




15





4 Insert < or >: 8.1 _____ 8.09 ___________________


6 Add 4.35, 8.43 and 4.12 ___________________

7 Evaluate 985.12 ÷ 1000 ___________________

8 Evaluate 4.5 × 0.2 ___________________


10 Evaluate 68.01 ÷ 3 ___________________

11 Evaluate 94.236 ÷ 1.2 ___________________

12 Write13




15 Simplify 2.54 + 1.5 × 4 ___________________

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Decimals


TOPIC TEST PART B

Marks

Decimals




15





4 Insert < or >: 8.1 _____ 8.09 ___________________


6 Add 4.35, 8.43 and 4.12 ___________________

7 Evaluate 985.12 ÷ 1000 ___________________

8 Evaluate 4.5 × 0.2 ___________________


10 Evaluate 68.01 ÷ 3 ___________________

11 Evaluate 94.236 ÷ 1.2 ___________________

12 Write13




15 Simplify 2.54 + 1.5 × 4 ___________________

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Decimals


TOPIC TEST PART B

Marks

Decimals




15





4 Insert < or >: 8.1 _____ 8.09 ___________________


6 Add 4.35, 8.43 and 4.12 ___________________

7 Evaluate 985.12 ÷ 1000 ___________________

8 Evaluate 4.5 × 0.2 ___________________


10 Evaluate 68.01 ÷ 3 ___________________

11 Evaluate 94.236 ÷ 1.2 ___________________

12 Write13




15 Simplify 2.54 + 1.5 × 4 ___________________

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Decimals


TOPIC TEST PART B

Marks

Decimals




15





4 Insert < or >: 8.1 _____ 8.09 ___________________


6 Add 4.35, 8.43 and 4.12 ___________________

7 Evaluate 985.12 ÷ 1000 ___________________

8 Evaluate 4.5 × 0.2 ___________________


10 Evaluate 68.01 ÷ 3 ___________________

11 Evaluate 94.236 ÷ 1.2 ___________________

12 Write13




15 Simplify 2.54 + 1.5 × 4 ___________________

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Decimals


TOPIC TEST PART B

Marks

Decimals




15





4 Insert < or >: 8.1 _____ 8.09 ___________________


6 Add 4.35, 8.43 and 4.12 ___________________

7 Evaluate 985.12 ÷ 1000 ___________________

8 Evaluate 4.5 × 0.2 ___________________


10 Evaluate 68.01 ÷ 3 ___________________

11 Evaluate 94.236 ÷ 1.2 ___________________

12 Write13




15 Simplify 2.54 + 1.5 × 4 ___________________

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Decimals


TOPIC TEST PART B

Marks

Decimals




15





4 Insert < or >: 8.1 _____ 8.09 ___________________


6 Add 4.35, 8.43 and 4.12 ___________________

7 Evaluate 985.12 ÷ 1000 ___________________

8 Evaluate 4.5 × 0.2 ___________________


10 Evaluate 68.01 ÷ 3 ___________________

11 Evaluate 94.236 ÷ 1.2 ___________________

12 Write13




15 Simplify 2.54 + 1.5 × 4 ___________________

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Decimals


TOPIC TEST PART B

Marks

Decimals




15





4 Insert < or >: 8.1 _____ 8.09 ___________________


6 Add 4.35, 8.43 and 4.12 ___________________

7 Evaluate 985.12 ÷ 1000 ___________________

8 Evaluate 4.5 × 0.2 ___________________


10 Evaluate 68.01 ÷ 3 ___________________

11 Evaluate 94.236 ÷ 1.2 ___________________

12 Write13




15 Simplify 2.54 + 1.5 × 4 ___________________

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Instructions This part consists of 4 questions Each question is worth 5 marks Show all necessary


Questions

Total marks achieved for PART C 20

Marks

DecimalsTopic Test PART C

DecimalsMathletics Instant Workbooks – Series H 2 Copyright © 3P Learning v68 EXCEL ESSENTIAL SKILLS: YEAR 7 MATHEMATICS REVISION AND EXAM WORKBOOK 2 – EXTENSION

Decimals

Total marks achieved for PART C

TOPIC TEST PART C

Marks

Decimals


• Each question is worth 5 marks• Show all necessary working


20

1 Find answers to the following.

a 1.34 + 2.6 = _____________________ b 5.6 – 3.9 = _________________________

c 12.5 × 5 = ______________________ d 48.5 × 0.6 = ________________________

e 0.84 ÷ 2 = ______________________

2 a Write 9.035 in expanded notation.

__________________________________________________________________________

b Arrange in descending order; 0.8, 0.12, 0.6 ______________________________________

Evaluate the following.

c 0.004 × 0.5 = ____________________ d (0.02)2 = ___________________________

e 0.36 + 14.5 + 7 =_________________

3 Say whether each of the following decimals is terminating or recurring.

a 0.36 _______________________________

b 1.383 838... _________________________

c 3.857 ______________________________

Round off the following decimals correct to 2 decimal places.

d 89.683 = ____________________________

e 9.385 = _____________________________

4 Write each of the following as a decimal.

a 655100

= ________________________ b 9310

7100

+ + = _____________________

c 77

1000 = _______________________ d

38

= ______________________________

e56

= ___________________________

5

5

5

5


Decimals

Total marks achieved for PART C

TOPIC TEST PART C

Marks

Decimals


• Each question is worth 5 marks• Show all necessary working


20

1 Find answers to the following.

a 1.34 + 2.6 = _____________________ b 5.6 – 3.9 = _________________________

c 12.5 × 5 = ______________________ d 48.5 × 0.6 = ________________________

e 0.84 ÷ 2 = ______________________

2 a Write 9.035 in expanded notation.

__________________________________________________________________________

b Arrange in descending order; 0.8, 0.12, 0.6 ______________________________________

Evaluate the following.

c 0.004 × 0.5 = ____________________ d (0.02)2 = ___________________________

e 0.36 + 14.5 + 7 =_________________

3 Say whether each of the following decimals is terminating or recurring.

a 0.36 _______________________________

b 1.383 838... _________________________

c 3.857 ______________________________

Round off the following decimals correct to 2 decimal places.

d 89.683 = ____________________________

e 9.385 = _____________________________

4 Write each of the following as a decimal.

a 655100

= ________________________ b 9310

7100

+ + = _____________________

c 77

1000 = _______________________ d

38

= ______________________________

e56

= ___________________________

5

5

5

5

Answers – Decimals

DecimalsMathletics Instant Workbooks – Series H 2 Copyright © 3P Learning vi


Answers

PAGE 49 1 a 8 × 8 b 9 × 9 × 9 c 5 × 5 × 5 d 2 × 2 × 2 × 2 × 2 × 2 e 4 × 4 × 4 × 4 × 4 f 7 × 7 × 7 2 a 36 b 78

c 154 d 215 e 813 f 364 3 a 12, 2, 144 b 9, 3, 729 c 3, 5, 243 d 16, 2, 256 e 2, 7, 128 4 a 3 b 5 c 7 d 15e 4 f 6 5 a 3 b 12 c 2 d 14 e 11 f 16 g 13 h 10 i 20 j 15 k 7 l 9 m 8 n 16 o 27 p 64PAGE 50 1 yes 2 8 3 1, 2, 3, 4, 6, 8, 12, 24 4 yes, 2 5 2, 3, 5, 7 6 1, 2, 4, 8 7 6 8 24, 48, 72 9 2410 1, 4, 9, 16, 25 11 1, 3, 6, 10, 15, 21 12 1, 36 13 16, 18, 20, 22, 24, 26, 28, 30, 32, 34 14 36 15 12, 14, 15, 16,18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39PAGES 51 & 52 1 D 2 A 3 A 4 C 5 D 6 B 7 B 8 B 9 B 10 D 11 C 12 D 13 A 14 D 15 BPAGE 53 1 1, 3, 5, 7 2 if it is divisible by 2 3 one 4 61 5 64 6 9 × 9 × 9 × 9 × 9 7 1, 3, 6, 10, 15, 21 8 23, 299 6, 12, 18, 24 10 1, 2, 3, 4, 6, 12 11 99 12 9 13 96 14 140 15 120PAGE 54 1 a 2 × 2 × 2 × 2 × 2 × 2 × 2 b 6 × 6 × 6 × 6 × 6 c 86 d 127 e 910

2 a 182 × 9

3 × 318 = 2 × 3 × 3

b 243 × 8

2 × 2 × 224 = 2 × 2 × 2 × 3

c 12010 × 12

2 × 5 3 × 2 × 2120 = 2 × 2 × 2 × 3 × 5

d 966 × 16

2 × 3 2 × 2 × 2 × 296 = 2 × 2 × 2 × 2 × 2 × 3

e 637 × 9

3 × 3 63 = 3 × 3 × 7

3 a 243 b 625 c 729 d 14 e 8 4 a 1, 2, 4, 8, 16 b 1, 2, 3, 4, 6, 8, 12, 24 c 1, 2, 4, 8 d 8 e 48

CHAPTER 5 – Decimals

PAGE 55 1 a 1 10 5 1 8110

×( ) + ×( ) + ×

b 6 10 3 1 4

110

71

100×( ) + ×( ) + ×

+ ×

c 2 100 5 10 7 1×( ) + ×( ) + ×( ) +

5110

91

100×

+ ×

d 9 1 3

110

61

1002

11000

×( ) + ×

+ ×

+ ×

e 4 100 3 10 8 1 5

11000

×( ) + ×( ) + ×( ) + ×

f 7 100 9 1 2110

71

1000×( ) + ×( ) + ×

+ ×

2 a 0.7 b 0.09 c 6.03 d 917.003 e 8.67 3 a 3 1 6

110

×( ) + ×

+

81

1009

11000

×

+ ×

b 6 10 9 1 3

110

51

1000×( ) + ×( ) + ×

+ ×

c 8

110

31

1007

11000

×

+ ×

+ ×

4 a 8.3 b 45.96

c 957.706 5 a 1.1, 1.4, 1.7 b 0.38, 0.40, 0.42 c 0.522, 0.526, 0.530 6 a tenth, 610

b hundredth, 7

100c unit, (9 × 1)

d tens, (9 × 10)PAGE 56 1 a 0.7 b 0.9 c 4.1 d 6.3 e 0.03 f 0.15 g 0.86 h 1.39 i 0.642 j 0.835 k 0.5637 l 0.08932 a 8.9 b 16.04 c 39.03 d 15.01 e 92.3 f 125.6 g 231.036 h 89.1 i 57.9 3 a 0.1 b 0.4 c 0.01 d 0.16e 0.051 f 0.4 g 0.06 h 0.75 i 0.125 j 0.032 k 0.375 l 0.875 4 a 1.0 b 0.16 c 0.6 d 1.43 e 0.067f 1.6 g 0.78 h 2.03 i 0.493 j 0.014 k 0.036 l 0.32 m 1.24 n 0.45 o 0.215 p 0.03

PAGE 57 1 a12

b710

c910

d 1110

e39100

f31

1000g

3591000

h7

100i

35

j725

k1231000

l25

m1

1000n

1125

o9

100p

31000

2 a 1310

b 212

c 345

d 791100

e 815

f 625

g 912

h 1114

i 4150

j 91

100k 6

71000

l 87

500m 19

23100

n 281750

o 361920

p 5035

3 a 315

b 812

c 915

d45

e 134

f 8350

g 912

h 6310

i 93

500j 6

120

k 835

l 14720

m 162125

n 32720

o 4814

p 31125

4 a23100

b16125

c925

d2125

e1

500f

1250

g9

10 000 h1

200i 1

12

j 245

k 3710

l 914

m 8310

n 712

o 6720

p 51120

5 a225

b125

c120

d350

e 11

500f 2

1250

g 31

125h 5

11000

i 121

100j 18

150

k 43350

l 92225

m 145

n 235

o 3110

p 415

q 81

100r 9

120

s 121

1000t 18

1500

PAGE 58 1 a 8.8 b 17.7 c 15.31 d 15.32 e 12.6 f 12.5 g 9.1 h 9.8 i 6.35 j 17.3 k 1.3 l 1.2m 8.9 n 9.8 o 18.1 2 a 0.7 b 3.2 c 3.3 d 7.3 e 6.9 f 1.7 g 6.9 h 1.19 i 2.8 j 4.58 k 6.79 l 8.49m 6.9 n 0.09 o 0.12 3 a 84.53 b 65.45 c 57.05 d 54.487 e 67.17 f 11.08 g 30.99 h 58.49 i 497.77

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Answers – Decimals

DecimalsMathletics Instant Workbooks – Series H 2 Copyright © 3P Learning vii

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Documents

Decimals - moreeinfo.commoreeinfo.com/lesson/maths/MATHLETICS RESOURCES (7...EXCEL ESSENTIAL SKILLS: YEAR 7 MATHEMATICS REVISION AND EXAM WORKBOOK 2 – EXTENSION 67 Decimals Total