matematika klas 7 sbi

7/28/2019 Matematika Klas 7 Sbi

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1. When the expression 3a + 9b - 2b issimplified, it becomes:

12ab - 2b

3a + 7b

3a + 11b

2. When the expression 14m - 6k - 5m + 3k

+ 4k is simplified, it becomes:

9m + k

9m + 13k

19m - 7k

3. What is the value of 3(2x - 5) when x = 4?

6x - 5

9

30

4. What is the value of 4(y + 10) when y =5?

y + 40

40

60

5. What is the value of 6g + 10k when g = 5and k = 2?

31

40

501. Simplify the expression: 4x2 + 2 + x + 3x2+ 5x + 6

12x2 + 5x + 8

7x2 + 6x + 8

x2 + 4x + 8

2. Simplify the expression: 5 + 3x2 + 4 + x +2x2 + 6x

5x2 + 7x + 9

6x2 + 6x + 1

5x2 + 6x + 20

3. Simplify the expression: 4p3 x 5p2

9p3

20p2

20p5

4. Simplify the expression: 8 + 6x2 - 4 + 9x+ 2x2 - 6x

8x2 + 15x + 12

4x2 + 3x + 4

8x2 + 3x + 4

5. Simplify the expression: 5z3 x 8z2

13z3

40z5

-3z5

6. The volume of a cuboid is lbh. Find thevolume when l = 10cm, b = 4cm and h =5cm.

19cm3

200cm2

200cm3

7. The area of a triangle = 1/2 bh. Find thearea of a triangle when b = 4cm and h =7cm.

11cm3

14cm2

14cm

8. Make I the subject of the formula V = IR

I = VR

I = V/R

I = R/V1. Solve the following equation. x + 5 = 11

x = 6

x = 55

x = 16

2. Solve the following equation. p - 3 = 1

p = 4

p = -1

p = 3

3. Solve the following equation. 7a = 49

a = 7

a = 42a = 1

4. Solve the following equation. w/3 = 4


2/6

w = 9

w = 12

w = 16

5. Solve the following equation. 3x + 1 = 10

x = 1

x = 3

x = 5

6. Solve the following equation. 2x -5 = 7

x = 4

x = 3

x = 61. What is the solution of the inequality 5x +2 > 12

x > 2.8

x > 2

x > 10

2. Solve the simultaneous equations 2x + y= 10 and y = 3x

x = 2 and y = 6

x = 3 and y = 5

x = 6 and y = 2

3. Solve the simultaneous equations 3x + y= 17 and y = x + 1

x = 3 and y = 4

x = 4 and y = 5

x = 5 and y = 4

4. Solve the simultaneous equations 4x + y= 10 and 4x - y = 6

x = 4 and y = 2

x = 3 and y = 3

x = 2 and y = 21. Work out 5 + 4 x 2

11

13

8

2. Work out 50 (2 + 3)

15

5

10

3. Work out (5 x 3) + (24 6)

19

22

16

4. Work out 8 + 8 4

4

10

81. Which of the following is equivalent to2/3?

4/5

6/8

8/12

2. Which of the following is not in its simplestform?

5/12

7/12

9/12

3. Write 12/20 in its simplest form.

1/3

2/6

3/5

4. Find 3/7 of 42

18

22

16

5. Which is the biggest??

3/4 of 20

2/3 of 24

1/3 of 21

6. A dress usually costs 60. It is reduced by1/3 in a sale. By how much is the dressreduced?

3020

10

7. Which is the largest fraction?


3/6

7/12

1/2

5/8

8. Which is the smallest fraction)?

7/12

1/2

5/8

9. Sarah calculates that she spends 1/3 ofher pocket money on sweets, and 2/5 onmagazines. What fraction of her pocketmoney does Sarah spend on sweets andmagazines?

11/15

5/6

12/16

10. Sam has 3/4 kg of toffees. If he gives 3/8kg to Mike, how many will he have left?

4/5

3/8

2/31. Which is the biggest?

3.013

3.0014

3.0013

2. Calculate 2.5 + 0.37?

2.87

2.6

2.78

3. Three friends compare their heights. Whois the tallest?

Anna is 1.58m

Chris is 1.62m

Drew is 1.47m

4. Anna is 1.58m. Drew is 1.47m. What is thedifference between Anna's height and Drew'sheight?

0.11m

0.15m

2m

5. Which is the biggest?

0.75 x 10

0.7 x 100

0.8 x 10

6. Which is the smallest?

62/10000.6/10

6/10

7. A booklet contains 100 pieces of paperand is 13mm thick. What is the thickness ofone sheet of paper?

1.3mm

10mm

0.13mm

8. Calculate the answer to the following: 4.8divided by 3

1.6

2.1

0.625

9. 8.40 is shared equally between threebrothers. How much does each brother

receive?

4.20

2.80

1.15

10. Aisha buys a magazine for 1.25 andchocolates for 2.99. She pays with a 10note. How much change does she receive?

4.24

5.80

5.761. What percentage of the following shapehas been shaded?


4/6

50%

55%

70%

2. What percentage of the following shapehas been shaded?

60%

75%

80%

3. Find 17% of 200

42

36

34

4. John invests 2500 and earns 8% interest.How much interest does he receive?

200

250

500

5. A computer costs 1200. It is reduced by5% in a sale. What is the sale price of thecomputer?

1000

1195

1140

1. What is 36 minutes as a fraction of 1hour?

3/5

2/3

1/4

2. What is 12/25 as a decimal?

0.5

0.480.4

3. Greeta scored 42 out of 50 for her Mathsexam. What percentage did she get forMaths?

84%

82%

75%

4. According to the local paper, only 20% ofWhiteburn's rugby supporters are women.Gary says that is equivalent to 1 in 5,whereas Ed says that is equivalent to 1 in20. Who is correct?

Gary

Ed

Neither of them

5. 6/10 of the delegates at a conference are

women. What percentage are men?

50%

35%

40%

6. What is 13/25 as a percentage?

52%

65%

60%

7. What is 45% as a decimal?

0.45

4.0

0.41. Bert, Alice and Sally enter a 'guess theweight of the cake' competition. The actualweight of the cake is 800g. Who is closest tothe correct answer?

Bert guesses 755g

Alice guesses 824g

Sally guesses 770g

2. Round 47.53m to the nearest ten metres

45

40

50

3. Round 5734.7 to the nearest wholenumber


5/6

5700

5735

5740

4. Anne buys a book for 3.99 and a folderfor 1.99. Estimate how much she pays intotal.

5

6

7

5. Anita is painting her bedroom. The area ofthe wall is 29m squared, and each can ofpaint will cover an area of about 11msquared. Estimate how many cans of paintAnita will need to buy.

3 cans1 can

5 cans

6. Gary wants to estimate the answer for 689x 69. He uses the approximation 700 x70.Will his approximation be higher or lowerthan the actual answer?

Higher

LowerThe same

7. Round 3.643 to 2 decimal places (d.p.)

3.6

3.64

3.7

8. Which number has 4 significant figures?

2.007

0.003

0.20

9. Round 2.99 to 2 s.f.

2.9

3.0

3.1

10. Round 7.00521 to 3 s.f.

7.02

7.01

7.061. Which has an index of 2?

33

25

42

2. Which can be described as 'two to thepower of five'?

55

52

25

3. Which has a value of 32?

33

25

42

4. Which has the smallest value?

33

25

42

5. Use your calculator to find the value of 39.

19683

15462

21569

6. What is the square root of 36?

9

6

10

7. What is the cube root of 64?

4

2

8

8. 25 x 22 is the same as

23

27

252


6/6

9. 28 divided by 24 is the same as

22

24

212

10. Which of the following has the largestvalue?

52 x 52

53 x 52

510 / 52

11. The length of a football field is 30 yards morethan its width. Express the length of the field in

terms of its width w.

12. Twenty gallons of crude oil were poured intotwo containers of different size. Express the

amount of crude oil poured into the smallercontainer in terms of the amount g poured intothe larger container.

matematika klas 7 sbi

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