Mid Year Mock Test - Mathematics Grade 6

- 4 -

Part II

* Answer 6 questions only. (All 7 questions provided for evaluation)

1.

(a)

(i)

Fill in the given table by providing appropriate names for the rectilinear plane figures denoted by the English letters below.

Letter	Name of the plane figure
A
B
C
D
E
F

(6 Marks)

(ii)

Write down two types of angles that can be seen in plane figure 'B'.
1. 2. (1 Mark)

(iii)

Draw a rectilinear plane figure of your choice consisting of 5 sides.
(Click exactly 5 times inside the box below to place your vertices. They will automatically connect.)

(1 Mark)

(b)

Put a tick (✓) if the following statements are true and a cross (✗) if they are false.

(i)	Only one pair of opposite sides of a trapezium is parallel.	✓ ✗
(ii)	This is a right angle.	✓ ✗
(iii)	This is a quadrilateral.	✓ ✗
(iv)	All angles of a rhombus are not equal.	✓ ✗

(½ × 4 = 2 Marks)

2.

(a)

(i)

Write down the numbers marked as A, B, C, and D on the number line below.

A -

C -

B -

D -

(½ × 4 = 2 Marks)

(ii)

Fill in the blanks below using only the values marked on the number line in part (i) above.

(I) -3 <

(II) > 2

(1 Mark)

(iii)

Arrange the following numbers in descending order.

8, -5, 0, 12

(1 Mark)

See next page

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(b)

(i)

Express the following times in standard format (24-hour clock).

(I) a.m. 7.30

(II) p.m. 9.05 (2 Marks)

(ii)

Express '260 minutes' in hours and minutes.
hours and minutes (2 Marks)

(iii)

A train started its journey from Colombo Fort at 10.45 a.m. and it took 1 hour 45 minutes to reach Kalutara. From Kalutara to Galle, it took another 1 hour 30 minutes.

(I) How much time did the train take to travel from Colombo Fort to Galle?

(II) Write down the time it reached Galle.
(2 Marks)

3.

Sithumini received a pencil holder as a birthday gift from her friend. Seeing it, she remembered a math lesson she had learned: "Number Types and Number Patterns".

(i) Write down all the odd numbers you can see on the pencil holder.
(1 Mark)

(ii) Write down all the square numbers between 1 and 18.
(2 Marks)

(iii) Write down all the triangular numbers from 1 to 18.
(2 Marks)

(iv) Obtain the sum of two consecutive triangular numbers from the answers in part (iii) above. Is it a square number? If it is a square number, which square number is it?
(2 Marks)

(v) Write down all the prime numbers you can see on the pencil holder.
(1 Mark)

(vi) Write down the smallest four-digit number that can be formed using those prime numbers.
(1 Mark)

(vii) What is the value represented by the digit in the hundreds place of that number?
(1 Mark)

4.

(i)

Express the shaded area of the given figure as a fraction of the whole figure.

(1 Mark)

(ii)

Fill in the blanks with a suitable symbol from (>, < or =).

(a)

37

57

(b)

1320

34

(1 Mark)

(iii)

Write

15

,

12

, and

310

in ascending order.
(1 Mark)

(iv)

Simplify.

(a)

25

+

920

=

(b)

916

-

28

=

(4 Marks)

(v)

The sum of two unit fractions is

712

. Write the two unit fractions.

and (1 Mark)

(vi)

Mr. Perera gave

415

of his land to his son and

15

to his daughter. What fraction of the whole land is the remaining portion?
(2 Marks)

See next page

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5.

(i)

Fill in the blanks using suitable integers.

                            18   =     1 × 18

                            18   =    × 9

                            18   =     3 ×

(1 Mark)

(ii)

According to the answers in part (i), write all the factors of 18.
(2 Marks)

(iii)

Write all the factors of 27.
(2 Marks)

(iv)

Using the answers in parts (ii) and (iii), write the common factors of 18 and 27.
(1 Mark)

(v)

Write 4 multiples of 8 that are greater than 10.
(2 Marks)

(vi)

The number of toffees in a toffee packet is a multiple of 6 less than 50. When the number of toffees in the packet is rounded to the nearest multiple of 10, the value is 50. What are the possible values for the number of toffees in the packet?
(2 Marks)

6.

(a)

(i)

Express

28100

as a decimal number.
(1 Mark)

(ii)

Write 8.92 in words.
(1 Mark)

(b)

In the number 15.63,

(i) What is the value represented by the digit '6'?
(1 Mark)

(ii) What is the place value of the position where the digit '3' is?
(1 Mark)

(c)

Write the following decimal numbers in ascending order.

1.48, 3.51, 0.39, 12.3

(2 Marks)

(d)

Simplify.

(i)

	5	.	9
+	6	.	3	5

(ii)

	40	.	0	1
-	29	.	9	9

(4 Marks)

7.

(a)

(i)

Draw a straight line segment PQ = 8.3 cm using a straight edge.
(Click and hold, then drag to draw the line. Release when you reach 8.3 cm.)

(2 Marks)

(ii)

Calculate the perimeter of the given figure.

(2 Marks)

(iii)

The perimeter of a rectangle with length 13 cm is 42 cm. Calculate the breadth.
(2 Marks)

(b)

(i)

Express each of the following liquid volumes in milliliters.

(I) 2 l 720 ml = ml

(II) 12 l 75 ml = ml

(2 Marks)

(ii)

Simplify.

l	ml
7	450
13	199
+ 6	528

(2 Marks)

End of the question paper