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Basic Arithmetic and The Calculator
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Student Book - Series H-1
Basic arithmetic and the calculatorStudent Book - Series H
Contents
Author of The Topics and Topic Tests: AS Kalra
Topics
Practice Tests
Topic 1 - Addition and subtraction __/__/__
Topic 1 - Topic test A __/__/__
Date completed
Topic 2 - Multiplication __/__/__
Topic 2 - Topic test B __/__/__
Topic 3 - Division __/__/__ Topic 4 -Approximations and rounding off __/__/__ Topic 5 - Mixed operations __/__/__ Topic 6 - Squares, cubes and powers __/__/__ Topic 7 - Square roots and cube roots __/__/__ Topic 8 - Money and the calculator __/__/__
Basic arithmetic and the calculatorMathletics Instant Workbooks – Series H Copyright © 3P Learning
1Basic arithmetic and the calculatorMathletics Instant Workbooks – Series H Copyright © 3P Learning
Basic arithmetic and the calculator Topic 1: Addition and subtraction
Basic arithmetic and the calculator
63EXCEL ESSENTIAL SKILLS: YEAR 7 MATHEMATICS REVISION AND EXAM WORKBOOK 1
page 152ANSWERS
QUESTION 1 Use a calculator to work out the following.a 28 + 52 + 69 = b 64 + 120 + 43 = c 85 + 36 + 49 =
d 86 + 34 + 128 = e 192 + 87 + 15 = f 65 + 87 + 235 =
g 48 + 65 + 579 = h 624 + 8359 = i 6536 + 8538 =
j 698 + 12653 = k 5834 + 3939 = l 9436 + 3968 =
QUESTION 2 Calculate the following.a 9.36 – 4.9 = b 19.79 – 6.3 = c 82.69 – 8.36 =
d 16.39 – 2.56 = e 56.86 – 12.35 = f 56.83 – 36.5 =
g 43.68 – 13.5 = h 18.48 – 16.39 = i 93.64 – 86.3 =
j 92.86 – 53.7 = k 48.43 – 36.382 = l 62.88 – 16.8 =
QUESTION 3 Use your calculator to find the following.a 92.5 + 63.8 = b 96.36 + 8.9 = c 9.3 + 83.5 =
d 68.6 + 100.65 = e 53.68 + 35.45 = f 63.86 + 30.62 =
g 68.9 + 93.5 = h 63.56 + 128.86 = i 43.91 + 105.36 =
j 12.6 + 193.8 = k 13.9 + 123.48 = l 91.8 + 102.76 =
QUESTION 4 Use your calculator to find the following.
a =−27
4
9
4b =−
17
1
17
8c =−
15
3
15
8
d =−11
2
11
6e =−
3
2
9
8f =−
7
3
5
2
g =−23
72 h =−
3
2
5
4i =−
20
3
20
9
QUESTION 5 Use your calculator to find the following.
a =−3
11
3
22 b =−
4
15
2
120 c =+
4
18
4
112
d =+4
39
2
18 e =−
6
58
4
336 f =−
5
23
5
47
g =−3
28
2
115 h =−
3
22
4
18 i =−
2
14
4
318
j =−4
36
12
510 k =−
3
24
9
58 l =−
4
32
6
59
UNIT 1: Addition and subtraction
CHAPTER 6
3
4
page 151
2Basic arithmetic and the calculatorMathletics Instant Workbooks – Series H Copyright © 3P Learning
Basic arithmetic and the calculatorTopic 2: MultiplicationBasic arithmetic and the calculator
EXCEL ESSENTIAL SKILLS: YEAR 7 MATHEMATICS REVISION AND EXAM WORKBOOK 164
page 152ANSWERS
UNIT 2: Multiplication
QUESTION 1 Use a calculator to work out the following.a =×3264 b =×3386 c =×9248d =× 26165 e =×54326 f =×52436g =×12048 h =×15432 i =×1682j =× 2864 k =×3289 l =×109536
QUESTION 2 Calculate the following.a =×564.8 b =× 9.78.6 c =× 2.189.5d =×1286.9 e =×36.53 f =× 6.785.36g =× 1.23.9 h =× 1.49.86 i =× 5.436.2j =× 5.66.16 k =× 9.42.91 l =× 6.885.0
QUESTION 3 Use your calculator to find the answer.
a =×7
5
3
2b =×
3
1
2
1c =×
3
2
8
5
d =×9
7
4
1e =×
2
11
3
12 f =×
5
12
4
13
g =×4
14
9
8h =×
4
31
6
54 i =×
3
23
16
5
j =×4
13
6
55 k =×
5
22
2
13 l =×
7
12
2
116
QUESTION 4 Use your calculator to simplify the following.a =×1635 b =×2625 c =×5496d =×1486 e =×3185 f =×6932g =× 3.248 h =×872.3 i =× 7.32.9j =× 54.389 k =× 9.86.5 l =× 9.37.15
QUESTION 5 Use your calculator to work out the following.a =× 8.56.8 b =× 9.586.2 c =× 9.46.18d =× 6.65.93 e =× 5.873.6 f =× 4.38.5g =× 8.29.35 h =× 9.87.32 i =× 1.369.9j =× 3.28.53 k =× 64.58.3 l =× 8.58.16m =× 4.569.9 n =× 2.46.9 o =× 9.66.9
18.6
page 151
3Basic arithmetic and the calculatorMathletics Instant Workbooks – Series H Copyright © 3P Learning
Basic arithmetic and the calculatorTopic 3: DivisionBasic arithmetic and the calculator
65EXCEL ESSENTIAL SKILLS: YEAR 7 MATHEMATICS REVISION AND EXAM WORKBOOK 1
page 152ANSWERS
QUESTION 1 Use a calculator to work out the following.a =÷1680 b =÷81392 c =÷35631d =÷972 e 8100 90÷ = f =÷58995g =÷32577 h =÷9981 i =÷5940j =÷52565 k =÷806400 l =÷97263
QUESTION 2 Calculate the following.a =÷ 24.80 b =÷39.66 c =÷55.63d =÷ 24.90 e =÷927.18 f =÷ 2.05.93g =÷55.864 h =÷55.56 i =÷55.86j =÷33.96 k =÷ 26.98 l =÷ 5.28500
QUESTION 3 Use your calculator to find the following.
a =÷7
2
7
5b =÷
100
3
100
9c =÷
5
3
20
17
d =÷2
11
4
32 e =÷
4
12
4
36 f =÷
2
14
2
118
g =÷5
13
5
28 h =÷
10
11
10
19 i =÷
5
11
5
39
j =÷2
11
4
15 k =÷
5
23
10
79 l =÷
4
12
4
38
QUESTION 4 Use your calculator to simplify the following.a =÷16112 b =÷36.84 c =÷ 02.06.642d =÷ 4256 e =÷322.836 f =÷ 5.05.463g =÷3243 h =÷ 4.08.512 i =÷ 03.07.128j =÷9729 k =÷ 03.036.189 l =÷ 3.09.48
QUESTION 5 Calculate the following.
a =÷7
2
7
59 b =÷
3
2
6
58 c =÷
2
12
2
110
d =÷4
13
8
35 e =÷
2
1
4
136 f =÷
5
2
10
758
g =÷10
11
5
316 h =÷
2
11
4
128 i =÷
4
12
2
136
UNIT 3: Division
page 151
4Basic arithmetic and the calculatorMathletics Instant Workbooks – Series H Copyright © 3P Learning
Basic arithmetic and the calculatorTopic 4: Approximations and rounding offBasic arithmetic and the calculator
EXCEL ESSENTIAL SKILLS: YEAR 7 MATHEMATICS REVISION AND EXAM WORKBOOK 166
page 152ANSWERS
UNIT 4: Approximations and rounding off
QUESTION 1 Round off the following numbers to the nearest unit.a 8.2 = b 9.13 = c 5.46 =
d 31.5 = e 81.9 = f 3.51 =
g 8.72 = h 9.36 = i 52.5 =
j 63.18 = k 39.09 = l 63.7 =
QUESTION 2 Round off the following numbers to the nearest ten.a 56 = b 83 = c 92 =
d 129 = e 365 = f 533 =
g 968 = h 6359 = i 9638 =
j 3541 = k 10 356 = l 8932 =
QUESTION 3 Round off the following to the nearest hundred.a 867 = b 960 = c 432 =
d 3256 = e 8365 = f 9365 =
g 9652 = h 9635 = i 958 =
j 596 = k 3543 = l 6831 =
QUESTION 4 Round off the following numbers to the nearest thousand.a 8647 = b 6349 = c 52 138 =
d 9681 = e 5963 = f 68 009 =
g 10 543 = h 12 684 = i 5838 =
j 9325 = k 8312 = l 15 693 =
QUESTION 5 Round off the following decimals correct to one decimal place.a 8.36 = b 0.93 = c 12.63 =
d 32.58 = e 0.29 = f 15.08 =
g 10.48 = h 63.38 = i 92.75 =
j 49.27 = k 86.39 = l 66.22 =
QUESTION 6 Express the following decimals correct to two decimal places.a 63.831 = b 6.531 = c 9.631 =
d 8.674 = e 83.113 = f 60.125 =
g 34.625 = h 93.527 = i 90.108 =
j 91.218 = k 126.361 = l 96.136 =
m 39.312 = n 19.618 = o 343.334 =
5Basic arithmetic and the calculatorMathletics Instant Workbooks – Series H Copyright © 3P Learning
Basic arithmetic and the calculatorTopic 5: Mixed operationsBasic arithmetic and the calculator
67EXCEL ESSENTIAL SKILLS: YEAR 7 MATHEMATICS REVISION AND EXAM WORKBOOK 1
page 152ANSWERS
UNIT 5: Mixed operations
QUESTION 1 Use your calculator to simplify the following.a =−+ 5918 b =−− 121846 c =−++ 9632116d =−−− 23556 e ( ) =+− 2986 f ( ) =×+ 6510g =××× 34518 h =××÷ 22372 i =÷÷÷ 2652400j =×+ 548 k =÷+ 42412 l =×− 3780
QUESTION 2 Use your calculator to work out the following.a =+ 3.983.365 b =÷ 2.158.832 c =−+ 7.85.838.36d =×+× 2.136.54 e =×× 3.18.56.8 f =×+ 25.569.83g =−× 4.153.89.6 h =×+× 5.16.35.29.8 i =×+× 2.13.85.13.0j =×− 2.14.26.83 k =×× 5.13.28.6 l =×+ 1.27.58.96
QUESTION 3 Calculate the following.
a =++3
2
4
3
2
19 b =−+
5
42
3
23
5
24 c =−+
3
1
9
2
3
19
d =+−8
11
2
12
4
36 e =+−
3
15
5
22
5
39 f =×÷
4
1
12
12
7
29
g =+−3
11
6
53
3
29 h =÷×
4
12
15
4
2
13 i =××
15
11
21
10
5
3
QUESTION 4 Use your calculator to answer the following.a =+− 25.153.97.36 b ( ) =×+ 3.16.58.9 c =×÷ 910900d ( ) =−÷ 3.53.86783 e =−× 78.24.125.8 f =+ 7.88.63g =−× 7.2152.96.825 h =×× 3.22.56.8 i =−+ 6312496j =×+ 2.13.87.53 k =+÷ 9.82.16.9 l =÷× 2.13.88.12
QUESTION 5 Use the fraction key to calculate the following.
a =−+9
1
6
1
3
2b =−+ 3
4
15
3
12 c =÷×
2
1
7
4
8
1
d =÷×2
11
3
25
2
14 e =÷×
2
1
7
4
5
2f =+−
4
13
8
11
4
32
g =××2
11
2
12
2
13 h =×÷
9
7
5
2
4
12 i =÷×
5
12
7
4
5
35
j =××3
21
10
7
14
5k =−+
6
5
12
11
9
5l =×÷
2
12
4
11
7
39
6Basic arithmetic and the calculatorMathletics Instant Workbooks – Series H Copyright © 3P Learning
Basic arithmetic and the calculatorTopic 6: Squares, cubes and powersBasic arithmetic and the calculator
EXCEL ESSENTIAL SKILLS: YEAR 7 MATHEMATICS REVISION AND EXAM WORKBOOK 168
page 152ANSWERS
UNIT 6: Squares, cubes and powers
QUESTION 1 Use the x2 key to evaluate the following.a (6)2 = b (8)2 = c (11)2 =
d (56)2 = e (35)2 = f (69)2 =
g (8.5)2 = h (3.4)2 = i (7.9)2 =
j (13.65)2 = k (15.3)2 = l (18.1)2 =
QUESTION 2 Use the y2 key to find the answer.a (3)3 = b (5)3 = c (7)3 =
d (9)3 = e (4)3 = f (5)4 =
g (6)4 = h (3)5 = i (4)5 =
j (2)8 = k (3)7 = l (2.4)3 =
QUESTION 3 Calculate the following correct to 2 decimal places.a (4.1)3 = b (2.7)3 = c (9.4)3 =
d (8.3)4 = e (5.3)4 = f (16.3)4 =
g (12.5)2 = h (6.7)5 = i (8.1)5 =
j (91.7)2 = k (31.8)2 = l (43.6)2 =
QUESTION 4 Evaluate the following. Leave your answers in fraction form.
a =
2
4
11 b =
3
5
2c =
2
4
12
d =
2
2
12 e =
2
5
16 f =
2
2
19
g =
2
5
33 h =
4
2
12 i =
4
2
15
j =
3
2
11 k =
3
3
11 l =
2
5
13
QUESTION 5 Use your calculator to evaluate the following correct to 2 decimal places.a (6.9)2 = b (8.12)2 = c (9.23)2 =
d (5.4)3 = e (6.8)3 = f (9.3)3 =
g (1.2)4 = h (8.93)2 = i (9.1)3 =
j (18.4)2 = k (19.34)2 = l (6.5)3 =
m (4.6)4 = n (1.2)5 = o (8.1)3 =
7Basic arithmetic and the calculatorMathletics Instant Workbooks – Series H Copyright © 3P Learning
Basic arithmetic and the calculatorTopic 7: Square roots and cube rootsBasic arithmetic and the calculator
69EXCEL ESSENTIAL SKILLS: YEAR 7 MATHEMATICS REVISION AND EXAM WORKBOOK 1
page 152ANSWERS
UNIT 7: Square roots and cube roots
QUESTION 1 Use the square root key to simplify the following.
a =4 b =36 c =49
d =64 e =121 f =144
g =169 h =+ 2564 i =× 649
j =÷ 25625 k =× 64225 l =+ 576676
QUESTION 2 Use the cube root key to evaluate the following.
a =3 27 b =3 64 c =3 216
d =3 343 e =3 729 f =3 2197
g =3 512 h =3 125 i =× 33 278
j =× 33 100064 k =3 728.1 l =× 3 1259
QUESTION 3 Use your calculator to simplify the following correct to one decimal place.
a =× 5.149 b =× 33 8728.1 c =× 921.1
d =× 3 824.10 e =× 64.004.0 f =× 56.264
g =× 76.51253 h =3 343.0 i =3 197.2
j =× 47293 k =× 95123 l =× 33 81331
QUESTION 4 Use your calculator to simplify the following correct to two decimal places.
a =4
18 b =
7
5c =
3
16
d =3
5
216 e =3
4
39 f =
4
16
g =× 3
4
15
2
11 h =× 3
4
1349 i =3
5
230
j =×8
52
7
6k =× 33
8
78 l =+
4
81
4
37
QUESTION 5 Use your calculator to evaluate the following correct to one decimal place.
a =87.5 b =3 343 c =25.72
d =3 68.3 e =+ 21.1728.13 f =61.9
g =3 64.19 h =3 125.0 i =3 167.12
j =4.16 k =76.5 l =3 512.0
+
8Basic arithmetic and the calculatorMathletics Instant Workbooks – Series H Copyright © 3P Learning
Basic arithmetic and the calculatorTopic 8: Money and the calculatorBasic arithmetic and the calculator
EXCEL ESSENTIAL SKILLS: YEAR 7 MATHEMATICS REVISION AND EXAM WORKBOOK 170
page 152ANSWERS
UNIT 8: Money and the calculator
QUESTION 1 Use your calculator to work out the following questions. Give your answer in dollars and cents.
a =+ 85.3$65.20$ b =× .454$8 c =+ $83.206.705$d =+ $23.658.401$ e =+ $43.35 8.605$ f =×94.501$g =− $68.70096$ h =− $39.252.608$ i =×45.802$j =÷5722$ k =×$23.805 l =+ $36.405.359$
QUESTION 2 Use your calculator to work out the following questions. Give your answer in dollars and cents.
a =+ 65¢86$ b =+ 65¢$83.30 c =+ $3568.751$d =+ 25.30$85¢ e =− 70$$293.50 f =− $35.805.659$g =× 2365¢ h =÷ 72.720$ i =− $5.88096$j =× 60012¢ k =− 89¢832$ l =− $30.6525.681$
QUESTION 3 Work out the following questions.
a =÷5.958$ b =− 9.533$30.68$ c =− 30.6$6091$ .d =×9.306$ e =− 64.23$8.694$ f =+ 30.82$51.601$g =+ 63.10$5.651$ h =− 5.308$13.602$ i =+ 30.36$2.859$j =+ .329$.648$ k =− .338$.649$ l =+ 30.120$21.651$
QUESTION 4 Round off to the nearest 5 cents.
a $2.36 = b $4.76 = c $29.87 =
d $25.83 = e $18.93 = f $64.33 =
g $15.68 = h $10.64 = i $212.83 =
j $19.69 = k $25.63 = l $34.48 =
QUESTION 5 Answer the following questions
a Find the cost of 34 pens at $5.65 each.
b Divide $4626 equally among three people.
c If 4 dozen cans cost $24, find the cost of 1 can.
d Find the cost of 130 rulers at $1.05 each.
e Find the cost of 3.5 kg of oranges at $2.60/kg.
f Find the cost of 12 work books at $6.30 each.
g Find the cost (to the nearest 5 cents) of 3.5 kg of chicken at $7.85/kg.
h One dozen eggs cost $4.80. Find the cost of 1 egg.
i Find the cost of 10 calculators at $23.50 each.
–
–
9Basic arithmetic and the calculatorMathletics Instant Workbooks – Series H Copyright © 3P Learning
1
1
1
1
1
1
1
1
1
1
1
1
page 152Basic arithmetic and the calculatorUNIT 9: TOPIC TEST PART A
Instructions • This part consists of 12 multiple-choice questions
• Each question is worth 2 marks
• Fill in only ONE CIRCLE for each question
• Calculators may be used
Time allowed: 15 minutes Total marks = 12
Total marks achieved for PART A 12
Marks
EXCEL ESSENTIAL SKILLS: YEAR 7 MATHEMATICS REVISION AND EXAM WORKBOOK 1 71
1
1
1
1
1
1
1
1
1
1
1
DCA B
DCA B
1 85416 ×+× equals
112 108 104 102
2 The value of 4
1
3
1
2
1 ++ is
`12
12
12
11
12
13
12
1
3 2.11.624.5 ×+ equals
12.56 13.608 12.61 13.618
4 10259 ××× equals
500 900 1000 2000
541036× equals
360 000 180 000 480 000 720 000
6 ( ) ( )22 2.05.0 − equals
0.25 0.24 0.21 0.215
722 810 − equals
4 5 6 7
8 3
1
3
1 × equals
9
1
3
1
3
2none of these
9 09.09.9 − equals
9.81 9.19 9.081 9.009
10 What is the number 8547 rounded to the nearest hundred?
9000 8600 8550 8500
11 Paper clips cost 60 cents per 100. How many paper clips would $30 buy?
50 500 5000 50 000
12 ( ) =22.0
0.04 0.4 4.0 0.021
DCA B
DCA B
DCA B
DCA B
DCA B
DCA B
DCA B
DCA B
DCA B
DCA B
Basic arithmetic and the calculatorUnit Test PART AInstructions This part consists of 12 multiple-choice questions Each question is worth 1 mark Fill in only ONE CIRCLE for each question Calculators are NOT allowed
Time allowed: 15 minutes Total marks = 12
Total marks achieved for PART A 12
Marks
Total marks achieved for PART B 15
Marks
Basic arithmetic and the calculatorUnit Test PART B
10Basic arithmetic and the calculatorMathletics Instant Workbooks – Series H Copyright © 3P Learning
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
Instructions • This part consists of 15 questions• Each question is worth 2 marks• Write answers in the answers-only column
• Calculators may be used
Time allowed: 20 minutes Total marks = 30
Questions Answers only
Total marks achieved for PART B 30
Marks
2
2
Simplify the following correct to two decimal places whereapplicable.
1 19365.86.583 ++
2 012.06.93 ÷
3
3
2
5
21
5
32 ×÷
4
4
31
3
12
2
18 −+
5
3513.25
4 ××
6 ( )39.2
7
5
2
30
17 +
Simplify the following correct to one decimal place.
8 ( )3.523.1836.28 ÷+
9 3936 +
1033 6481 −
11 03.015.3695.85 ×−
12 ( )23.28.16
1
+
13
84.4356.38
9620
+
14
2
121960 3 ×+
15
( )38.6
4.8
15.3 2
+
EXCEL ESSENTIAL SKILLS: YEAR 7 MATHEMATICS REVISION AND EXAM WORKBOOK 172
2
2
2
2
2
2
2
2
2
2
2
2
2
Basic arithmetic and the calculatorUNIT 9: TOPIC TEST PART B
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1