Khối 4- Tài liệu ôn tập Tiếng Anh Tích hợp đợt 2

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Name: ____________________.

GRADE 4 MATHS REVIEW

ANSWER KEY

---SECTION A

Answer all questions.

The multiple choice questions must be answered with a cross in a box X .

If you change your mind about an answer, put a line through the box X and then mark your new
answer with another cross X .

1. What number am I? Using the clues below, guess what number is being described.

I have 7 digits.

My units place value is 9.

My hundreds place value is an even number that is smaller that 3.

My tens place value is half of 10.

My millions place value is 67 - 64.

My thousands place value is 21 ÷ 3.

My ten thousands place value is (8 × 1) - 8.

My hundred thousands place value is the only odd number that hasn’t been used yet.

a) Write the number below:

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b) Now write your answer in words.

Three million, one hundred and seven thousand, two hundred and fifty nine.

2. Complete the table by writing the numbers to the nearest 10, 100 and 1000.

Nearest 10

Nearest 100

Nearest 1000

3467

3470 3500 3000

1059

1060 1100 1000

8888

8890 8900 9000

6291

6290 6300 6000

505

510 500 1000

3109

3110 3100 3000

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3. Look at the grid below.

a) Is the square divided into tenths or hundredths?
Circle the correct option below.

tenths

hundredths

b) Write the decimal number for the shaded part.

0.4

4. Circle any number below that is greater than 0.01.

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5. A store collects the data of their sales of musical instruments.

a) Complete the bar graph to represent the data.

b) How many more guitars than drums were sold?

180(630-450)

c) Which two instruments have the same number of sales?

Drum and piano

Guitar Trumpet Drum Saxophone Piano

X-axis: musical instrument

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d) What is the difference in sales between the trumpet and the saxophone?

180(720-540)

e) How many instruments were sold in total?

2790

Show your working in the box below.

6. a) Double(x2) the numbers below.

248 →

496

425 →

850

362 →

724

b) Halve(÷2) the numbers below.

864 →

432

286 →

143

620 →

310 630 + 720 + 450 + 540 + 450 = 2790

× 2

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7. Circle the even numbers below.
One has been done for you.

8. Ruby has earned a sticker each day this week.
She puts each sticker on her reward sheet.
By the end of the week, she has five stickers.
a) How many more stickers does she need

to complete the reward sheet?

20 stickers (5×4)

b) Harry has twice as many stickers as Ruby.
How many stickers does Harry have?

10 stickers (5×2)

c) A teacher has 50 stickers and shares them
equally with each of the 25 students in the class.

How many does each student get?

2 stickers (50÷25)

9. Which measurement below is an obtuse angle?

33° 110° 90° 89°

26 2020

1353

8

140

57

909

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10. The table below shows four shapes. Complete the table by writing the correct information.
The first shape is completed as an example.

Number of

acute angles

Number of

right angles

Number of

obtuse angles

2

1

0 1

2

1

2

0

2

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11. Complete the table below by filling in the blank spaces.

Shape Name How many

sides?

How many

angles?

How many
pairs of parallel

lines?

How many
pairs of
perpendicular

lines?

square

4

2

4 octagon

8

4

0

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12. Look at the shapes below.

Name: triangle Name: square Name: parallelogram

a) Write the name of each shape using the words from the box below.

b) On each shape above, draw all the lines of symmetry.
Use a ruler.

13. Place the numbers in the box in the correct place in the Venn Diagram below.

parallelogram

square

triangle

6

10

13

16

24

32

multiples of 6 multiples of 8

6 16

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14. How many metres (m) are in 1 kilometre (km)?

250 m 1000 m 100 m 2000 m

15. What is 0.5 kilograms (kg) when converted to grams (g)?

5000 g 50 g 500 g 5 g

16. What unit of measurement would you use to measure the length of a pencil?

litres (L) kilometres (km) grams (g) centimetres (cm)

17. How many millilitres are in a litre?

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18. Look at the diagram below.

How many millilitres of water are in the jug?

160 ml 180 ml 175 ml 250 ml

19. Convert the following 24-hour times to 12-hour times.

Hint: 12-hour times include AM or PM.

a)

17:52

→

5:52 p.m

b)

05:55

→

5:55 a.m

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20. Neil is taking a holiday to Vung Tau from Ho Chi Minh City. The bus ride will last 1 hour and 45
minutes. The bus arrives in Vung Tau at 21:15.

At what time does the bus leave Ho Chi Minh City?

Answer: 19:30

Show your working in the box below.

21. Lam is going on holiday on Tuesday 5thMay 2020. He will come back 5 days later.

What day will Lam return?

Answer: Sunday

What date will Lam return?

Answer: 10

th

May 2020

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22. How many pairs of factors are there for the number 32?

5 20 3 100

Show your working in the box below.

23. Complete the conversions below.

a) Convert the mixed numbers into improper fractions:

3
6
5

=
6
23

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____

b) Convert the improper fractions into mixed numbers:

3
11
=
3
2
3
7
15
=
7
1
2
2
9
=

2
1
4

24. a) Circle the fractions below that are equivalent to

3
1

b) Write in the missing numbers to complete the lowest form of the fractions shown.

For example: 1

2 =
2
4 =
3
6 =
4
8 =
5
10

i. = 2

8 =

12 =

4
16

ii. = 2

6 =

9 =

4
12

iii. = 2

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c) Write the simplest form of each fraction shown below.

i. 6

9 = 3

ii. 3

12 = 4

iii. 10

15 = 3

iv. 25

30 = 6

v. 21

42 = 2

vi. 18

45 = 5

25. A bag of pasta weighs

5
2

of 1 kg.

What is the equivalent weight as a decimal number?

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Khối 4- Tài liệu ôn tập Tiếng Anh Tích hợp đợt 2

<b>GRADE 4 MATHS REVIEW</b>

<b>ANSWER KEY</b>

I have 7 digits.

My units place value is 9.

My hundreds place value is an even number that is smaller that 3.

My tens place value is half of 10.

My millions place value is 67 - 64.

My thousands place value is 21 ÷ 3.

My ten thousands place value is (8 × 1) - 8.

My hundred thousands place value is the only odd number that hasn’t been used yet.

<b>Nearest 10</b>

<b>Nearest 100</b>

<b>Nearest 1000</b>

<b>3467</b>

<b>1059</b>

<b>8888</b>

<b>6291</b>

<b>505</b>

<b>3109</b>

tenths

hundredths

<b>180(630-450)</b>

<b>Drum and piano</b>

<b>180(720-540)</b>

<b>2790</b>

248

→

496

425

→

850

362

→

724

864

→

432

286

→

143

620

→

310

<b>630 + 720 + 450 + 540 + 450 = 2790</b>

<b>20 stickers (5×4)</b>

<b>10 stickers (5×2)</b>

<b>2 stickers (50÷25)</b>

26

2020

1353

8

140

57

909

Number of

<b>acute angles</b>

Number of

<b>right angles</b>

Number of

<b>obtuse angles</b>

2

1

0

<b>1</b>

<b>2</b>

<b>1</b>

<b>2</b>

<b>0</b>

<b>2</b>

square

4

4

2

4

octagon

8

8

4

0