Sunday, 27 August 2023
Sloved questions on SI unit
questions on SI unit (VI)
1. Pema rode 3 kilometers on his bike. his sister Sonam rode 2500 meters on her bike. Who rode the farthest and by how much more (answer in km)?
Ans: Pema rode 3 km
Sonam rode 2500 m we know 1km = 1000 m
2500m = 2500 ÷ 1000
= 2.5 km
since 3km is greater than 2.5km, Pema rode farthest by 0.5km (3 - 2.5 = 0.5)
2. Dawa is measuring two-line segments. The first line segment is 30 cm long. The second line segment is 500 mm long. How long are the two-ling segments put together? (answer in cm)
Ans: first line segment = 30 cm
second line segment = 500 mm
we know 1cm = 10 mm
500 mm = 500 ÷ 10
= 50 cm
when two line segments put together: 30 cm + 50 cm = 80 cm
3. Penjor wants to send a box of oranges to a friend by mail. The box of oranges cannot exceed a mass of 5 kg. If each oranges has a mass of 200 g, what is the maximum number of oranges she can send?
Ans: each oranges has a mass of 200 g.
box of oranges cannot exceed 5 kg.
convert 200 g to kg
we know 1 kg = 1000 g
200g = 200 ÷ 1000
= 0.2 kg
since each oranges is 0.2 kg, Penjor can send 25 oranges. (5 ÷ 0.2 = 25)
4. Tashi grew 10.5 centimeters in 1 year. He is now 1.6 m tall. How tall was Tashi 1 year ago? (answer in cm)
Ans: Tashi grew 10.5 cm each year
Present height = 1.6 m (convert 1.6 m to cm)
we know 1 m = 100 cm
1.6 m = 1.6 x 100
= 160 cm
Tashi's height 1 year ago: 160 cm - 10.5 cm
= 149.5 cm tall
5. Wangmo has a glass that can hold 250 ml of water. If she wants to fill a jug which can hold 2 litres of water, how many glasses of water does she need to fill the jug to the brim?
Ans: capacity of jug is 2 litres
capacity of glass is 250 ml (convert 250ml to l)
we know 1L = 1000 ml
250ml = 250 ÷ 1000
= 0.25 L
to fill the jug to the brim: 2 ÷ 0.5 = 8
therefore, Wangmo needs 8 glasses of water to fill the jug to the brim.
6. Penjor walks 500 m every day. How many kilometers does he walk in a week?
Ans: Penjor walks 500 m per day.
convert 500 m to km
we know 1 km = 1000 m
500 m = 500 ÷ 1000 = 0.5 km (1 day)
in a week he walks: 0.5 x 7 (7 days in a week)
= 3.5 km
Friday, 9 June 2023
Class VI T4
1. A chopper (helicopter) takes 1hour 30 minutes from Paro
to Bumthang.
A car rides between two dzongkhag
will
take 8 hours 30 minutes. The distance between
two dzongkhag is 127 km.
2.Use the place value chart and write the following number in standard
form.
i. 4.55 billions
ii. 6.15 ten millions iii. 763 ten thousands
3. Nima has written
640,047,006 in expanded form as
given below. 640,047,006 = 600,000,000 + 4,000, 000 + 40,000 + 7,000 + 6
Has she written it correctly?
Give a reason to support your answer.
4.What is the differences between
prime numbers
and composite numbers? List down at least 4 numbers
each.
Tuesday, 6 June 2023
Class VI T3
1. Study the
table and write the ratio.
|
|
Boys |
Girls |
|
Class 6 |
26 |
34 |
|
Class 5 |
30 |
22 |
a) Class
6 boys to class 5 boys.
b) Class
6 girls to class 5 boys
c) Class
6 students to class 5 students.
d) boys
to girls
e) e) girls
to total students.
2. Subtract
fraction.
3. The table below shows the profit made by three industries in the year 2022.
|
Industries
|
Profit
(in million) |
|
Bhutan
Agro Industries |
Nu.
5425.78 |
|
Army
welfare Project |
Nu.
4532.32 |
|
Paro
8 |
Nu.
245.45 |
|
Total
profit |
|
Write the total
profit made by three industries in expanded form.
4. Covert mixed number
to improper fraction.
i.
Monday, 5 June 2023
Class VI T2
CLASS VI T2
1. There are 12 boys and 18 girls in a class. In how many ways can you divide the students in groups so that there are equal number of boys and girls in all the groups?
2. Tashi, Wangmo and Chencho went to pick
apples using the same size basket on Sunday. Their collection of apples was
shown as given below.
|
Tashi |
Wangmo |
Chencho |
|
|
|
|
Who do you think collected more apples? Show your work.
3. The table below shows the profit
made by three industries in the tear 2022.
|
Industries
|
Profit
(in million) |
|
Bhutan
Agro Industries |
Nu.
5425.78 |
|
Army
welfare Project |
Nu.
4532.32 |
|
Paro
8 |
Nu.
245.45 |
|
Total
profit |
|
Write the total profit made by three industries in expanded form.
4. Out of 25 students in a class, 16 of them are men. What percent of the class are women?
Friday, 2 June 2023
Class VI T1
1. List the common factors of 16 and 24.
2. 2. The distance from earth to sun is about 147.18 million km. The distance from earth to Pluto is about 5.3142 billion km. Which is further from earth, The sun or Pluto? By how much?
3. Sonam’s monthly salary is 15,500. He saves 10,500 every month from his salary. What is his saving in a year? Write his saving in expanded form in two different ways?
4. 4. Write each set of decimals in decreasing order.
a)
8.9, 21.6, 14.3, 17.8, 21.1
b)
46.37, 46.8, 46.2, 46.9, 46.34
5. 5. Write
the following improper fractions as mixed fractions?
a) 15/7 b) 25/6
6. 6. Rename the mixed fraction as improper
fraction?
a) 7 4/9
7. 7. Convert the fractions to decimals by
creating equivalent fractions with denominators such as 10,100,1000,….
a) 3/5
b) 12/25
8. 8. Order the fractions from least to
greatest.
a) 2/4, 5/6, 1/8
9. 9. Naley walked 2/3 miles on the first day and 1/12 miles on
the next day. How many miles did he walk in all?
10 10. Subtract fractions:
a) 7/24 - 1/12
11. There are two cats and five dogs.
What is the ratio of dogs to cats?



